require=(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i0xffff code points that are a valid part of identifiers. The // offset starts at 0x10000, and each pair of numbers represents an // offset to the next range, and then a size of the range. They were // generated by bin/generate-identifier-regex.js // eslint-disable-next-line comma-spacing var astralIdentifierStartCodes = [0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,14,29,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,157,310,10,21,11,7,153,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,28,43,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,14,35,349,41,7,1,79,28,11,0,9,21,107,20,28,22,13,52,76,44,33,24,27,35,30,0,3,0,9,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,85,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,159,52,19,3,21,2,31,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,14,0,72,26,230,43,117,63,32,7,3,0,3,7,2,1,2,23,16,0,2,0,95,7,3,38,17,0,2,0,29,0,11,39,8,0,22,0,12,45,20,0,35,56,264,8,2,36,18,0,50,29,113,6,2,1,2,37,22,0,26,5,2,1,2,31,15,0,328,18,190,0,80,921,103,110,18,195,2749,1070,4050,582,8634,568,8,30,114,29,19,47,17,3,32,20,6,18,689,63,129,74,6,0,67,12,65,1,2,0,29,6135,9,1237,43,8,8952,286,50,2,18,3,9,395,2309,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,2357,44,11,6,17,0,370,43,1301,196,60,67,8,0,1205,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42717,35,4148,12,221,3,5761,15,7472,3104,541,1507,4938]; // eslint-disable-next-line comma-spacing var astralIdentifierCodes = [509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,574,3,9,9,370,1,154,10,176,2,54,14,32,9,16,3,46,10,54,9,7,2,37,13,2,9,6,1,45,0,13,2,49,13,9,3,2,11,83,11,7,0,161,11,6,9,7,3,56,1,2,6,3,1,3,2,10,0,11,1,3,6,4,4,193,17,10,9,5,0,82,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,84,14,5,9,243,14,166,9,71,5,2,1,3,3,2,0,2,1,13,9,120,6,3,6,4,0,29,9,41,6,2,3,9,0,10,10,47,15,406,7,2,7,17,9,57,21,2,13,123,5,4,0,2,1,2,6,2,0,9,9,49,4,2,1,2,4,9,9,330,3,19306,9,135,4,60,6,26,9,1014,0,2,54,8,3,82,0,12,1,19628,1,5319,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,262,6,10,9,419,13,1495,6,110,6,6,9,4759,9,787719,239]; // This has a complexity linear to the value of the code. The // assumption is that looking up astral identifier characters is // rare. function isInAstralSet(code, set) { var pos = 0x10000; for (var i = 0; i < set.length; i += 2) { pos += set[i]; if (pos > code) { return false } pos += set[i + 1]; if (pos >= code) { return true } } } // Test whether a given character code starts an identifier. function isIdentifierStart(code, astral) { if (code < 65) { return code === 36 } if (code < 91) { return true } if (code < 97) { return code === 95 } if (code < 123) { return true } if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)) } if (astral === false) { return false } return isInAstralSet(code, astralIdentifierStartCodes) } // Test whether a given character is part of an identifier. function isIdentifierChar(code, astral) { if (code < 48) { return code === 36 } if (code < 58) { return true } if (code < 65) { return false } if (code < 91) { return true } if (code < 97) { return code === 95 } if (code < 123) { return true } if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)) } if (astral === false) { return false } return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes) } // ## Token types // The assignment of fine-grained, information-carrying type objects // allows the tokenizer to store the information it has about a // token in a way that is very cheap for the parser to look up. // All token type variables start with an underscore, to make them // easy to recognize. // The `beforeExpr` property is used to disambiguate between regular // expressions and divisions. It is set on all token types that can // be followed by an expression (thus, a slash after them would be a // regular expression). // // The `startsExpr` property is used to check if the token ends a // `yield` expression. It is set on all token types that either can // directly start an expression (like a quotation mark) or can // continue an expression (like the body of a string). // // `isLoop` marks a keyword as starting a loop, which is important // to know when parsing a label, in order to allow or disallow // continue jumps to that label. var TokenType = function TokenType(label, conf) { if ( conf === void 0 ) conf = {}; this.label = label; this.keyword = conf.keyword; this.beforeExpr = !!conf.beforeExpr; this.startsExpr = !!conf.startsExpr; this.isLoop = !!conf.isLoop; this.isAssign = !!conf.isAssign; this.prefix = !!conf.prefix; this.postfix = !!conf.postfix; this.binop = conf.binop || null; this.updateContext = null; }; function binop(name, prec) { return new TokenType(name, {beforeExpr: true, binop: prec}) } var beforeExpr = {beforeExpr: true}, startsExpr = {startsExpr: true}; // Map keyword names to token types. var keywords$1 = {}; // Succinct definitions of keyword token types function kw(name, options) { if ( options === void 0 ) options = {}; options.keyword = name; return keywords$1[name] = new TokenType(name, options) } var types = { num: new TokenType("num", startsExpr), regexp: new TokenType("regexp", startsExpr), string: new TokenType("string", startsExpr), name: new TokenType("name", startsExpr), eof: new TokenType("eof"), // Punctuation token types. bracketL: new TokenType("[", {beforeExpr: true, startsExpr: true}), bracketR: new TokenType("]"), braceL: new TokenType("{", {beforeExpr: true, startsExpr: true}), braceR: new TokenType("}"), parenL: new TokenType("(", {beforeExpr: true, startsExpr: true}), parenR: new TokenType(")"), comma: new TokenType(",", beforeExpr), semi: new TokenType(";", beforeExpr), colon: new TokenType(":", beforeExpr), dot: new TokenType("."), question: new TokenType("?", beforeExpr), questionDot: new TokenType("?."), arrow: new TokenType("=>", beforeExpr), template: new TokenType("template"), invalidTemplate: new TokenType("invalidTemplate"), ellipsis: new TokenType("...", beforeExpr), backQuote: new TokenType("`", startsExpr), dollarBraceL: new TokenType("${", {beforeExpr: true, startsExpr: true}), // Operators. These carry several kinds of properties to help the // parser use them properly (the presence of these properties is // what categorizes them as operators). // // `binop`, when present, specifies that this operator is a binary // operator, and will refer to its precedence. // // `prefix` and `postfix` mark the operator as a prefix or postfix // unary operator. // // `isAssign` marks all of `=`, `+=`, `-=` etcetera, which act as // binary operators with a very low precedence, that should result // in AssignmentExpression nodes. eq: new TokenType("=", {beforeExpr: true, isAssign: true}), assign: new TokenType("_=", {beforeExpr: true, isAssign: true}), incDec: new TokenType("++/--", {prefix: true, postfix: true, startsExpr: true}), prefix: new TokenType("!/~", {beforeExpr: true, prefix: true, startsExpr: true}), logicalOR: binop("||", 1), logicalAND: binop("&&", 2), bitwiseOR: binop("|", 3), bitwiseXOR: binop("^", 4), bitwiseAND: binop("&", 5), equality: binop("==/!=/===/!==", 6), relational: binop("/<=/>=", 7), bitShift: binop("<>/>>>", 8), plusMin: new TokenType("+/-", {beforeExpr: true, binop: 9, prefix: true, startsExpr: true}), modulo: binop("%", 10), star: binop("*", 10), slash: binop("/", 10), starstar: new TokenType("**", {beforeExpr: true}), coalesce: binop("??", 1), // Keyword token types. _break: kw("break"), _case: kw("case", beforeExpr), _catch: kw("catch"), _continue: kw("continue"), _debugger: kw("debugger"), _default: kw("default", beforeExpr), _do: kw("do", {isLoop: true, beforeExpr: true}), _else: kw("else", beforeExpr), _finally: kw("finally"), _for: kw("for", {isLoop: true}), _function: kw("function", startsExpr), _if: kw("if"), _return: kw("return", beforeExpr), _switch: kw("switch"), _throw: kw("throw", beforeExpr), _try: kw("try"), _var: kw("var"), _const: kw("const"), _while: kw("while", {isLoop: true}), _with: kw("with"), _new: kw("new", {beforeExpr: true, startsExpr: true}), _this: kw("this", startsExpr), _super: kw("super", startsExpr), _class: kw("class", startsExpr), _extends: kw("extends", beforeExpr), _export: kw("export"), _import: kw("import", startsExpr), _null: kw("null", startsExpr), _true: kw("true", startsExpr), _false: kw("false", startsExpr), _in: kw("in", {beforeExpr: true, binop: 7}), _instanceof: kw("instanceof", {beforeExpr: true, binop: 7}), _typeof: kw("typeof", {beforeExpr: true, prefix: true, startsExpr: true}), _void: kw("void", {beforeExpr: true, prefix: true, startsExpr: true}), _delete: kw("delete", {beforeExpr: true, prefix: true, startsExpr: true}) }; // Matches a whole line break (where CRLF is considered a single // line break). Used to count lines. var lineBreak = /\r\n?|\n|\u2028|\u2029/; var lineBreakG = new RegExp(lineBreak.source, "g"); function isNewLine(code, ecma2019String) { return code === 10 || code === 13 || (!ecma2019String && (code === 0x2028 || code === 0x2029)) } var nonASCIIwhitespace = /[\u1680\u2000-\u200a\u202f\u205f\u3000\ufeff]/; var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g; var ref = Object.prototype; var hasOwnProperty = ref.hasOwnProperty; var toString = ref.toString; // Checks if an object has a property. function has(obj, propName) { return hasOwnProperty.call(obj, propName) } var isArray = Array.isArray || (function (obj) { return ( toString.call(obj) === "[object Array]" ); }); function wordsRegexp(words) { return new RegExp("^(?:" + words.replace(/ /g, "|") + ")$") } // These are used when `options.locations` is on, for the // `startLoc` and `endLoc` properties. var Position = function Position(line, col) { this.line = line; this.column = col; }; Position.prototype.offset = function offset (n) { return new Position(this.line, this.column + n) }; var SourceLocation = function SourceLocation(p, start, end) { this.start = start; this.end = end; if (p.sourceFile !== null) { this.source = p.sourceFile; } }; // The `getLineInfo` function is mostly useful when the // `locations` option is off (for performance reasons) and you // want to find the line/column position for a given character // offset. `input` should be the code string that the offset refers // into. function getLineInfo(input, offset) { for (var line = 1, cur = 0;;) { lineBreakG.lastIndex = cur; var match = lineBreakG.exec(input); if (match && match.index < offset) { ++line; cur = match.index + match[0].length; } else { return new Position(line, offset - cur) } } } // A second optional argument can be given to further configure // the parser process. These options are recognized: var defaultOptions = { // `ecmaVersion` indicates the ECMAScript version to parse. Must be // either 3, 5, 6 (2015), 7 (2016), 8 (2017), 9 (2018), or 10 // (2019). This influences support for strict mode, the set of // reserved words, and support for new syntax features. The default // is 10. ecmaVersion: 10, // `sourceType` indicates the mode the code should be parsed in. // Can be either `"script"` or `"module"`. This influences global // strict mode and parsing of `import` and `export` declarations. sourceType: "script", // `onInsertedSemicolon` can be a callback that will be called // when a semicolon is automatically inserted. It will be passed // the position of the comma as an offset, and if `locations` is // enabled, it is given the location as a `{line, column}` object // as second argument. onInsertedSemicolon: null, // `onTrailingComma` is similar to `onInsertedSemicolon`, but for // trailing commas. onTrailingComma: null, // By default, reserved words are only enforced if ecmaVersion >= 5. // Set `allowReserved` to a boolean value to explicitly turn this on // an off. When this option has the value "never", reserved words // and keywords can also not be used as property names. allowReserved: null, // When enabled, a return at the top level is not considered an // error. allowReturnOutsideFunction: false, // When enabled, import/export statements are not constrained to // appearing at the top of the program. allowImportExportEverywhere: false, // When enabled, await identifiers are allowed to appear at the top-level scope, // but they are still not allowed in non-async functions. allowAwaitOutsideFunction: false, // When enabled, hashbang directive in the beginning of file // is allowed and treated as a line comment. allowHashBang: false, // When `locations` is on, `loc` properties holding objects with // `start` and `end` properties in `{line, column}` form (with // line being 1-based and column 0-based) will be attached to the // nodes. locations: false, // A function can be passed as `onToken` option, which will // cause Acorn to call that function with object in the same // format as tokens returned from `tokenizer().getToken()`. Note // that you are not allowed to call the parser from the // callback—that will corrupt its internal state. onToken: null, // A function can be passed as `onComment` option, which will // cause Acorn to call that function with `(block, text, start, // end)` parameters whenever a comment is skipped. `block` is a // boolean indicating whether this is a block (`/* */`) comment, // `text` is the content of the comment, and `start` and `end` are // character offsets that denote the start and end of the comment. // When the `locations` option is on, two more parameters are // passed, the full `{line, column}` locations of the start and // end of the comments. Note that you are not allowed to call the // parser from the callback—that will corrupt its internal state. onComment: null, // Nodes have their start and end characters offsets recorded in // `start` and `end` properties (directly on the node, rather than // the `loc` object, which holds line/column data. To also add a // [semi-standardized][range] `range` property holding a `[start, // end]` array with the same numbers, set the `ranges` option to // `true`. // // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678 ranges: false, // It is possible to parse multiple files into a single AST by // passing the tree produced by parsing the first file as // `program` option in subsequent parses. This will add the // toplevel forms of the parsed file to the `Program` (top) node // of an existing parse tree. program: null, // When `locations` is on, you can pass this to record the source // file in every node's `loc` object. sourceFile: null, // This value, if given, is stored in every node, whether // `locations` is on or off. directSourceFile: null, // When enabled, parenthesized expressions are represented by // (non-standard) ParenthesizedExpression nodes preserveParens: false }; // Interpret and default an options object function getOptions(opts) { var options = {}; for (var opt in defaultOptions) { options[opt] = opts && has(opts, opt) ? opts[opt] : defaultOptions[opt]; } if (options.ecmaVersion >= 2015) { options.ecmaVersion -= 2009; } if (options.allowReserved == null) { options.allowReserved = options.ecmaVersion < 5; } if (isArray(options.onToken)) { var tokens = options.onToken; options.onToken = function (token) { return tokens.push(token); }; } if (isArray(options.onComment)) { options.onComment = pushComment(options, options.onComment); } return options } function pushComment(options, array) { return function(block, text, start, end, startLoc, endLoc) { var comment = { type: block ? "Block" : "Line", value: text, start: start, end: end }; if (options.locations) { comment.loc = new SourceLocation(this, startLoc, endLoc); } if (options.ranges) { comment.range = [start, end]; } array.push(comment); } } // Each scope gets a bitset that may contain these flags var SCOPE_TOP = 1, SCOPE_FUNCTION = 2, SCOPE_VAR = SCOPE_TOP | SCOPE_FUNCTION, SCOPE_ASYNC = 4, SCOPE_GENERATOR = 8, SCOPE_ARROW = 16, SCOPE_SIMPLE_CATCH = 32, SCOPE_SUPER = 64, SCOPE_DIRECT_SUPER = 128; function functionFlags(async, generator) { return SCOPE_FUNCTION | (async ? SCOPE_ASYNC : 0) | (generator ? SCOPE_GENERATOR : 0) } // Used in checkLVal and declareName to determine the type of a binding var BIND_NONE = 0, // Not a binding BIND_VAR = 1, // Var-style binding BIND_LEXICAL = 2, // Let- or const-style binding BIND_FUNCTION = 3, // Function declaration BIND_SIMPLE_CATCH = 4, // Simple (identifier pattern) catch binding BIND_OUTSIDE = 5; // Special case for function names as bound inside the function var Parser = function Parser(options, input, startPos) { this.options = options = getOptions(options); this.sourceFile = options.sourceFile; this.keywords = wordsRegexp(keywords[options.ecmaVersion >= 6 ? 6 : options.sourceType === "module" ? "5module" : 5]); var reserved = ""; if (options.allowReserved !== true) { for (var v = options.ecmaVersion;; v--) { if (reserved = reservedWords[v]) { break } } if (options.sourceType === "module") { reserved += " await"; } } this.reservedWords = wordsRegexp(reserved); var reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict; this.reservedWordsStrict = wordsRegexp(reservedStrict); this.reservedWordsStrictBind = wordsRegexp(reservedStrict + " " + reservedWords.strictBind); this.input = String(input); // Used to signal to callers of `readWord1` whether the word // contained any escape sequences. This is needed because words with // escape sequences must not be interpreted as keywords. this.containsEsc = false; // Set up token state // The current position of the tokenizer in the input. if (startPos) { this.pos = startPos; this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1; this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length; } else { this.pos = this.lineStart = 0; this.curLine = 1; } // Properties of the current token: // Its type this.type = types.eof; // For tokens that include more information than their type, the value this.value = null; // Its start and end offset this.start = this.end = this.pos; // And, if locations are used, the {line, column} object // corresponding to those offsets this.startLoc = this.endLoc = this.curPosition(); // Position information for the previous token this.lastTokEndLoc = this.lastTokStartLoc = null; this.lastTokStart = this.lastTokEnd = this.pos; // The context stack is used to superficially track syntactic // context to predict whether a regular expression is allowed in a // given position. this.context = this.initialContext(); this.exprAllowed = true; // Figure out if it's a module code. this.inModule = options.sourceType === "module"; this.strict = this.inModule || this.strictDirective(this.pos); // Used to signify the start of a potential arrow function this.potentialArrowAt = -1; // Positions to delayed-check that yield/await does not exist in default parameters. this.yieldPos = this.awaitPos = this.awaitIdentPos = 0; // Labels in scope. this.labels = []; // Thus-far undefined exports. this.undefinedExports = {}; // If enabled, skip leading hashbang line. if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!") { this.skipLineComment(2); } // Scope tracking for duplicate variable names (see scope.js) this.scopeStack = []; this.enterScope(SCOPE_TOP); // For RegExp validation this.regexpState = null; }; var prototypeAccessors = { inFunction: { configurable: true },inGenerator: { configurable: true },inAsync: { configurable: true },allowSuper: { configurable: true },allowDirectSuper: { configurable: true },treatFunctionsAsVar: { configurable: true } }; Parser.prototype.parse = function parse () { var node = this.options.program || this.startNode(); this.nextToken(); return this.parseTopLevel(node) }; prototypeAccessors.inFunction.get = function () { return (this.currentVarScope().flags & SCOPE_FUNCTION) > 0 }; prototypeAccessors.inGenerator.get = function () { return (this.currentVarScope().flags & SCOPE_GENERATOR) > 0 }; prototypeAccessors.inAsync.get = function () { return (this.currentVarScope().flags & SCOPE_ASYNC) > 0 }; prototypeAccessors.allowSuper.get = function () { return (this.currentThisScope().flags & SCOPE_SUPER) > 0 }; prototypeAccessors.allowDirectSuper.get = function () { return (this.currentThisScope().flags & SCOPE_DIRECT_SUPER) > 0 }; prototypeAccessors.treatFunctionsAsVar.get = function () { return this.treatFunctionsAsVarInScope(this.currentScope()) }; // Switch to a getter for 7.0.0. Parser.prototype.inNonArrowFunction = function inNonArrowFunction () { return (this.currentThisScope().flags & SCOPE_FUNCTION) > 0 }; Parser.extend = function extend () { var plugins = [], len = arguments.length; while ( len-- ) plugins[ len ] = arguments[ len ]; var cls = this; for (var i = 0; i < plugins.length; i++) { cls = plugins[i](cls); } return cls }; Parser.parse = function parse (input, options) { return new this(options, input).parse() }; Parser.parseExpressionAt = function parseExpressionAt (input, pos, options) { var parser = new this(options, input, pos); parser.nextToken(); return parser.parseExpression() }; Parser.tokenizer = function tokenizer (input, options) { return new this(options, input) }; Object.defineProperties( Parser.prototype, prototypeAccessors ); var pp = Parser.prototype; // ## Parser utilities var literal = /^(?:'((?:\\.|[^'\\])*?)'|"((?:\\.|[^"\\])*?)")/; pp.strictDirective = function(start) { for (;;) { // Try to find string literal. skipWhiteSpace.lastIndex = start; start += skipWhiteSpace.exec(this.input)[0].length; var match = literal.exec(this.input.slice(start)); if (!match) { return false } if ((match[1] || match[2]) === "use strict") { skipWhiteSpace.lastIndex = start + match[0].length; var spaceAfter = skipWhiteSpace.exec(this.input), end = spaceAfter.index + spaceAfter[0].length; var next = this.input.charAt(end); return next === ";" || next === "}" || (lineBreak.test(spaceAfter[0]) && !(/[(`.[+\-/*%<>=,?^&]/.test(next) || next === "!" && this.input.charAt(end + 1) === "=")) } start += match[0].length; // Skip semicolon, if any. skipWhiteSpace.lastIndex = start; start += skipWhiteSpace.exec(this.input)[0].length; if (this.input[start] === ";") { start++; } } }; // Predicate that tests whether the next token is of the given // type, and if yes, consumes it as a side effect. pp.eat = function(type) { if (this.type === type) { this.next(); return true } else { return false } }; // Tests whether parsed token is a contextual keyword. pp.isContextual = function(name) { return this.type === types.name && this.value === name && !this.containsEsc }; // Consumes contextual keyword if possible. pp.eatContextual = function(name) { if (!this.isContextual(name)) { return false } this.next(); return true }; // Asserts that following token is given contextual keyword. pp.expectContextual = function(name) { if (!this.eatContextual(name)) { this.unexpected(); } }; // Test whether a semicolon can be inserted at the current position. pp.canInsertSemicolon = function() { return this.type === types.eof || this.type === types.braceR || lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) }; pp.insertSemicolon = function() { if (this.canInsertSemicolon()) { if (this.options.onInsertedSemicolon) { this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc); } return true } }; // Consume a semicolon, or, failing that, see if we are allowed to // pretend that there is a semicolon at this position. pp.semicolon = function() { if (!this.eat(types.semi) && !this.insertSemicolon()) { this.unexpected(); } }; pp.afterTrailingComma = function(tokType, notNext) { if (this.type === tokType) { if (this.options.onTrailingComma) { this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc); } if (!notNext) { this.next(); } return true } }; // Expect a token of a given type. If found, consume it, otherwise, // raise an unexpected token error. pp.expect = function(type) { this.eat(type) || this.unexpected(); }; // Raise an unexpected token error. pp.unexpected = function(pos) { this.raise(pos != null ? pos : this.start, "Unexpected token"); }; function DestructuringErrors() { this.shorthandAssign = this.trailingComma = this.parenthesizedAssign = this.parenthesizedBind = this.doubleProto = -1; } pp.checkPatternErrors = function(refDestructuringErrors, isAssign) { if (!refDestructuringErrors) { return } if (refDestructuringErrors.trailingComma > -1) { this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element"); } var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind; if (parens > -1) { this.raiseRecoverable(parens, "Parenthesized pattern"); } }; pp.checkExpressionErrors = function(refDestructuringErrors, andThrow) { if (!refDestructuringErrors) { return false } var shorthandAssign = refDestructuringErrors.shorthandAssign; var doubleProto = refDestructuringErrors.doubleProto; if (!andThrow) { return shorthandAssign >= 0 || doubleProto >= 0 } if (shorthandAssign >= 0) { this.raise(shorthandAssign, "Shorthand property assignments are valid only in destructuring patterns"); } if (doubleProto >= 0) { this.raiseRecoverable(doubleProto, "Redefinition of __proto__ property"); } }; pp.checkYieldAwaitInDefaultParams = function() { if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos)) { this.raise(this.yieldPos, "Yield expression cannot be a default value"); } if (this.awaitPos) { this.raise(this.awaitPos, "Await expression cannot be a default value"); } }; pp.isSimpleAssignTarget = function(expr) { if (expr.type === "ParenthesizedExpression") { return this.isSimpleAssignTarget(expr.expression) } return expr.type === "Identifier" || expr.type === "MemberExpression" }; var pp$1 = Parser.prototype; // ### Statement parsing // Parse a program. Initializes the parser, reads any number of // statements, and wraps them in a Program node. Optionally takes a // `program` argument. If present, the statements will be appended // to its body instead of creating a new node. pp$1.parseTopLevel = function(node) { var exports = {}; if (!node.body) { node.body = []; } while (this.type !== types.eof) { var stmt = this.parseStatement(null, true, exports); node.body.push(stmt); } if (this.inModule) { for (var i = 0, list = Object.keys(this.undefinedExports); i < list.length; i += 1) { var name = list[i]; this.raiseRecoverable(this.undefinedExports[name].start, ("Export '" + name + "' is not defined")); } } this.adaptDirectivePrologue(node.body); this.next(); node.sourceType = this.options.sourceType; return this.finishNode(node, "Program") }; var loopLabel = {kind: "loop"}, switchLabel = {kind: "switch"}; pp$1.isLet = function(context) { if (this.options.ecmaVersion < 6 || !this.isContextual("let")) { return false } skipWhiteSpace.lastIndex = this.pos; var skip = skipWhiteSpace.exec(this.input); var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); // For ambiguous cases, determine if a LexicalDeclaration (or only a // Statement) is allowed here. If context is not empty then only a Statement // is allowed. However, `let [` is an explicit negative lookahead for // ExpressionStatement, so special-case it first. if (nextCh === 91) { return true } // '[' if (context) { return false } if (nextCh === 123) { return true } // '{' if (isIdentifierStart(nextCh, true)) { var pos = next + 1; while (isIdentifierChar(this.input.charCodeAt(pos), true)) { ++pos; } var ident = this.input.slice(next, pos); if (!keywordRelationalOperator.test(ident)) { return true } } return false }; // check 'async [no LineTerminator here] function' // - 'async /*foo*/ function' is OK. // - 'async /*\n*/ function' is invalid. pp$1.isAsyncFunction = function() { if (this.options.ecmaVersion < 8 || !this.isContextual("async")) { return false } skipWhiteSpace.lastIndex = this.pos; var skip = skipWhiteSpace.exec(this.input); var next = this.pos + skip[0].length; return !lineBreak.test(this.input.slice(this.pos, next)) && this.input.slice(next, next + 8) === "function" && (next + 8 === this.input.length || !isIdentifierChar(this.input.charAt(next + 8))) }; // Parse a single statement. // // If expecting a statement and finding a slash operator, parse a // regular expression literal. This is to handle cases like // `if (foo) /blah/.exec(foo)`, where looking at the previous token // does not help. pp$1.parseStatement = function(context, topLevel, exports) { var starttype = this.type, node = this.startNode(), kind; if (this.isLet(context)) { starttype = types._var; kind = "let"; } // Most types of statements are recognized by the keyword they // start with. Many are trivial to parse, some require a bit of // complexity. switch (starttype) { case types._break: case types._continue: return this.parseBreakContinueStatement(node, starttype.keyword) case types._debugger: return this.parseDebuggerStatement(node) case types._do: return this.parseDoStatement(node) case types._for: return this.parseForStatement(node) case types._function: // Function as sole body of either an if statement or a labeled statement // works, but not when it is part of a labeled statement that is the sole // body of an if statement. if ((context && (this.strict || context !== "if" && context !== "label")) && this.options.ecmaVersion >= 6) { this.unexpected(); } return this.parseFunctionStatement(node, false, !context) case types._class: if (context) { this.unexpected(); } return this.parseClass(node, true) case types._if: return this.parseIfStatement(node) case types._return: return this.parseReturnStatement(node) case types._switch: return this.parseSwitchStatement(node) case types._throw: return this.parseThrowStatement(node) case types._try: return this.parseTryStatement(node) case types._const: case types._var: kind = kind || this.value; if (context && kind !== "var") { this.unexpected(); } return this.parseVarStatement(node, kind) case types._while: return this.parseWhileStatement(node) case types._with: return this.parseWithStatement(node) case types.braceL: return this.parseBlock(true, node) case types.semi: return this.parseEmptyStatement(node) case types._export: case types._import: if (this.options.ecmaVersion > 10 && starttype === types._import) { skipWhiteSpace.lastIndex = this.pos; var skip = skipWhiteSpace.exec(this.input); var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); if (nextCh === 40 || nextCh === 46) // '(' or '.' { return this.parseExpressionStatement(node, this.parseExpression()) } } if (!this.options.allowImportExportEverywhere) { if (!topLevel) { this.raise(this.start, "'import' and 'export' may only appear at the top level"); } if (!this.inModule) { this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'"); } } return starttype === types._import ? this.parseImport(node) : this.parseExport(node, exports) // If the statement does not start with a statement keyword or a // brace, it's an ExpressionStatement or LabeledStatement. We // simply start parsing an expression, and afterwards, if the // next token is a colon and the expression was a simple // Identifier node, we switch to interpreting it as a label. default: if (this.isAsyncFunction()) { if (context) { this.unexpected(); } this.next(); return this.parseFunctionStatement(node, true, !context) } var maybeName = this.value, expr = this.parseExpression(); if (starttype === types.name && expr.type === "Identifier" && this.eat(types.colon)) { return this.parseLabeledStatement(node, maybeName, expr, context) } else { return this.parseExpressionStatement(node, expr) } } }; pp$1.parseBreakContinueStatement = function(node, keyword) { var isBreak = keyword === "break"; this.next(); if (this.eat(types.semi) || this.insertSemicolon()) { node.label = null; } else if (this.type !== types.name) { this.unexpected(); } else { node.label = this.parseIdent(); this.semicolon(); } // Verify that there is an actual destination to break or // continue to. var i = 0; for (; i < this.labels.length; ++i) { var lab = this.labels[i]; if (node.label == null || lab.name === node.label.name) { if (lab.kind != null && (isBreak || lab.kind === "loop")) { break } if (node.label && isBreak) { break } } } if (i === this.labels.length) { this.raise(node.start, "Unsyntactic " + keyword); } return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement") }; pp$1.parseDebuggerStatement = function(node) { this.next(); this.semicolon(); return this.finishNode(node, "DebuggerStatement") }; pp$1.parseDoStatement = function(node) { this.next(); this.labels.push(loopLabel); node.body = this.parseStatement("do"); this.labels.pop(); this.expect(types._while); node.test = this.parseParenExpression(); if (this.options.ecmaVersion >= 6) { this.eat(types.semi); } else { this.semicolon(); } return this.finishNode(node, "DoWhileStatement") }; // Disambiguating between a `for` and a `for`/`in` or `for`/`of` // loop is non-trivial. Basically, we have to parse the init `var` // statement or expression, disallowing the `in` operator (see // the second parameter to `parseExpression`), and then check // whether the next token is `in` or `of`. When there is no init // part (semicolon immediately after the opening parenthesis), it // is a regular `for` loop. pp$1.parseForStatement = function(node) { this.next(); var awaitAt = (this.options.ecmaVersion >= 9 && (this.inAsync || (!this.inFunction && this.options.allowAwaitOutsideFunction)) && this.eatContextual("await")) ? this.lastTokStart : -1; this.labels.push(loopLabel); this.enterScope(0); this.expect(types.parenL); if (this.type === types.semi) { if (awaitAt > -1) { this.unexpected(awaitAt); } return this.parseFor(node, null) } var isLet = this.isLet(); if (this.type === types._var || this.type === types._const || isLet) { var init$1 = this.startNode(), kind = isLet ? "let" : this.value; this.next(); this.parseVar(init$1, true, kind); this.finishNode(init$1, "VariableDeclaration"); if ((this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init$1.declarations.length === 1) { if (this.options.ecmaVersion >= 9) { if (this.type === types._in) { if (awaitAt > -1) { this.unexpected(awaitAt); } } else { node.await = awaitAt > -1; } } return this.parseForIn(node, init$1) } if (awaitAt > -1) { this.unexpected(awaitAt); } return this.parseFor(node, init$1) } var refDestructuringErrors = new DestructuringErrors; var init = this.parseExpression(true, refDestructuringErrors); if (this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) { if (this.options.ecmaVersion >= 9) { if (this.type === types._in) { if (awaitAt > -1) { this.unexpected(awaitAt); } } else { node.await = awaitAt > -1; } } this.toAssignable(init, false, refDestructuringErrors); this.checkLVal(init); return this.parseForIn(node, init) } else { this.checkExpressionErrors(refDestructuringErrors, true); } if (awaitAt > -1) { this.unexpected(awaitAt); } return this.parseFor(node, init) }; pp$1.parseFunctionStatement = function(node, isAsync, declarationPosition) { this.next(); return this.parseFunction(node, FUNC_STATEMENT | (declarationPosition ? 0 : FUNC_HANGING_STATEMENT), false, isAsync) }; pp$1.parseIfStatement = function(node) { this.next(); node.test = this.parseParenExpression(); // allow function declarations in branches, but only in non-strict mode node.consequent = this.parseStatement("if"); node.alternate = this.eat(types._else) ? this.parseStatement("if") : null; return this.finishNode(node, "IfStatement") }; pp$1.parseReturnStatement = function(node) { if (!this.inFunction && !this.options.allowReturnOutsideFunction) { this.raise(this.start, "'return' outside of function"); } this.next(); // In `return` (and `break`/`continue`), the keywords with // optional arguments, we eagerly look for a semicolon or the // possibility to insert one. if (this.eat(types.semi) || this.insertSemicolon()) { node.argument = null; } else { node.argument = this.parseExpression(); this.semicolon(); } return this.finishNode(node, "ReturnStatement") }; pp$1.parseSwitchStatement = function(node) { this.next(); node.discriminant = this.parseParenExpression(); node.cases = []; this.expect(types.braceL); this.labels.push(switchLabel); this.enterScope(0); // Statements under must be grouped (by label) in SwitchCase // nodes. `cur` is used to keep the node that we are currently // adding statements to. var cur; for (var sawDefault = false; this.type !== types.braceR;) { if (this.type === types._case || this.type === types._default) { var isCase = this.type === types._case; if (cur) { this.finishNode(cur, "SwitchCase"); } node.cases.push(cur = this.startNode()); cur.consequent = []; this.next(); if (isCase) { cur.test = this.parseExpression(); } else { if (sawDefault) { this.raiseRecoverable(this.lastTokStart, "Multiple default clauses"); } sawDefault = true; cur.test = null; } this.expect(types.colon); } else { if (!cur) { this.unexpected(); } cur.consequent.push(this.parseStatement(null)); } } this.exitScope(); if (cur) { this.finishNode(cur, "SwitchCase"); } this.next(); // Closing brace this.labels.pop(); return this.finishNode(node, "SwitchStatement") }; pp$1.parseThrowStatement = function(node) { this.next(); if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) { this.raise(this.lastTokEnd, "Illegal newline after throw"); } node.argument = this.parseExpression(); this.semicolon(); return this.finishNode(node, "ThrowStatement") }; // Reused empty array added for node fields that are always empty. var empty = []; pp$1.parseTryStatement = function(node) { this.next(); node.block = this.parseBlock(); node.handler = null; if (this.type === types._catch) { var clause = this.startNode(); this.next(); if (this.eat(types.parenL)) { clause.param = this.parseBindingAtom(); var simple = clause.param.type === "Identifier"; this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); this.checkLVal(clause.param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); this.expect(types.parenR); } else { if (this.options.ecmaVersion < 10) { this.unexpected(); } clause.param = null; this.enterScope(0); } clause.body = this.parseBlock(false); this.exitScope(); node.handler = this.finishNode(clause, "CatchClause"); } node.finalizer = this.eat(types._finally) ? this.parseBlock() : null; if (!node.handler && !node.finalizer) { this.raise(node.start, "Missing catch or finally clause"); } return this.finishNode(node, "TryStatement") }; pp$1.parseVarStatement = function(node, kind) { this.next(); this.parseVar(node, false, kind); this.semicolon(); return this.finishNode(node, "VariableDeclaration") }; pp$1.parseWhileStatement = function(node) { this.next(); node.test = this.parseParenExpression(); this.labels.push(loopLabel); node.body = this.parseStatement("while"); this.labels.pop(); return this.finishNode(node, "WhileStatement") }; pp$1.parseWithStatement = function(node) { if (this.strict) { this.raise(this.start, "'with' in strict mode"); } this.next(); node.object = this.parseParenExpression(); node.body = this.parseStatement("with"); return this.finishNode(node, "WithStatement") }; pp$1.parseEmptyStatement = function(node) { this.next(); return this.finishNode(node, "EmptyStatement") }; pp$1.parseLabeledStatement = function(node, maybeName, expr, context) { for (var i$1 = 0, list = this.labels; i$1 < list.length; i$1 += 1) { var label = list[i$1]; if (label.name === maybeName) { this.raise(expr.start, "Label '" + maybeName + "' is already declared"); } } var kind = this.type.isLoop ? "loop" : this.type === types._switch ? "switch" : null; for (var i = this.labels.length - 1; i >= 0; i--) { var label$1 = this.labels[i]; if (label$1.statementStart === node.start) { // Update information about previous labels on this node label$1.statementStart = this.start; label$1.kind = kind; } else { break } } this.labels.push({name: maybeName, kind: kind, statementStart: this.start}); node.body = this.parseStatement(context ? context.indexOf("label") === -1 ? context + "label" : context : "label"); this.labels.pop(); node.label = expr; return this.finishNode(node, "LabeledStatement") }; pp$1.parseExpressionStatement = function(node, expr) { node.expression = expr; this.semicolon(); return this.finishNode(node, "ExpressionStatement") }; // Parse a semicolon-enclosed block of statements, handling `"use // strict"` declarations when `allowStrict` is true (used for // function bodies). pp$1.parseBlock = function(createNewLexicalScope, node, exitStrict) { if ( createNewLexicalScope === void 0 ) createNewLexicalScope = true; if ( node === void 0 ) node = this.startNode(); node.body = []; this.expect(types.braceL); if (createNewLexicalScope) { this.enterScope(0); } while (this.type !== types.braceR) { var stmt = this.parseStatement(null); node.body.push(stmt); } if (exitStrict) { this.strict = false; } this.next(); if (createNewLexicalScope) { this.exitScope(); } return this.finishNode(node, "BlockStatement") }; // Parse a regular `for` loop. The disambiguation code in // `parseStatement` will already have parsed the init statement or // expression. pp$1.parseFor = function(node, init) { node.init = init; this.expect(types.semi); node.test = this.type === types.semi ? null : this.parseExpression(); this.expect(types.semi); node.update = this.type === types.parenR ? null : this.parseExpression(); this.expect(types.parenR); node.body = this.parseStatement("for"); this.exitScope(); this.labels.pop(); return this.finishNode(node, "ForStatement") }; // Parse a `for`/`in` and `for`/`of` loop, which are almost // same from parser's perspective. pp$1.parseForIn = function(node, init) { var isForIn = this.type === types._in; this.next(); if ( init.type === "VariableDeclaration" && init.declarations[0].init != null && ( !isForIn || this.options.ecmaVersion < 8 || this.strict || init.kind !== "var" || init.declarations[0].id.type !== "Identifier" ) ) { this.raise( init.start, ((isForIn ? "for-in" : "for-of") + " loop variable declaration may not have an initializer") ); } else if (init.type === "AssignmentPattern") { this.raise(init.start, "Invalid left-hand side in for-loop"); } node.left = init; node.right = isForIn ? this.parseExpression() : this.parseMaybeAssign(); this.expect(types.parenR); node.body = this.parseStatement("for"); this.exitScope(); this.labels.pop(); return this.finishNode(node, isForIn ? "ForInStatement" : "ForOfStatement") }; // Parse a list of variable declarations. pp$1.parseVar = function(node, isFor, kind) { node.declarations = []; node.kind = kind; for (;;) { var decl = this.startNode(); this.parseVarId(decl, kind); if (this.eat(types.eq)) { decl.init = this.parseMaybeAssign(isFor); } else if (kind === "const" && !(this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { this.unexpected(); } else if (decl.id.type !== "Identifier" && !(isFor && (this.type === types._in || this.isContextual("of")))) { this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value"); } else { decl.init = null; } node.declarations.push(this.finishNode(decl, "VariableDeclarator")); if (!this.eat(types.comma)) { break } } return node }; pp$1.parseVarId = function(decl, kind) { decl.id = this.parseBindingAtom(); this.checkLVal(decl.id, kind === "var" ? BIND_VAR : BIND_LEXICAL, false); }; var FUNC_STATEMENT = 1, FUNC_HANGING_STATEMENT = 2, FUNC_NULLABLE_ID = 4; // Parse a function declaration or literal (depending on the // `statement & FUNC_STATEMENT`). // Remove `allowExpressionBody` for 7.0.0, as it is only called with false pp$1.parseFunction = function(node, statement, allowExpressionBody, isAsync) { this.initFunction(node); if (this.options.ecmaVersion >= 9 || this.options.ecmaVersion >= 6 && !isAsync) { if (this.type === types.star && (statement & FUNC_HANGING_STATEMENT)) { this.unexpected(); } node.generator = this.eat(types.star); } if (this.options.ecmaVersion >= 8) { node.async = !!isAsync; } if (statement & FUNC_STATEMENT) { node.id = (statement & FUNC_NULLABLE_ID) && this.type !== types.name ? null : this.parseIdent(); if (node.id && !(statement & FUNC_HANGING_STATEMENT)) // If it is a regular function declaration in sloppy mode, then it is // subject to Annex B semantics (BIND_FUNCTION). Otherwise, the binding // mode depends on properties of the current scope (see // treatFunctionsAsVar). { this.checkLVal(node.id, (this.strict || node.generator || node.async) ? this.treatFunctionsAsVar ? BIND_VAR : BIND_LEXICAL : BIND_FUNCTION); } } var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; this.yieldPos = 0; this.awaitPos = 0; this.awaitIdentPos = 0; this.enterScope(functionFlags(node.async, node.generator)); if (!(statement & FUNC_STATEMENT)) { node.id = this.type === types.name ? this.parseIdent() : null; } this.parseFunctionParams(node); this.parseFunctionBody(node, allowExpressionBody, false); this.yieldPos = oldYieldPos; this.awaitPos = oldAwaitPos; this.awaitIdentPos = oldAwaitIdentPos; return this.finishNode(node, (statement & FUNC_STATEMENT) ? "FunctionDeclaration" : "FunctionExpression") }; pp$1.parseFunctionParams = function(node) { this.expect(types.parenL); node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8); this.checkYieldAwaitInDefaultParams(); }; // Parse a class declaration or literal (depending on the // `isStatement` parameter). pp$1.parseClass = function(node, isStatement) { this.next(); // ecma-262 14.6 Class Definitions // A class definition is always strict mode code. var oldStrict = this.strict; this.strict = true; this.parseClassId(node, isStatement); this.parseClassSuper(node); var classBody = this.startNode(); var hadConstructor = false; classBody.body = []; this.expect(types.braceL); while (this.type !== types.braceR) { var element = this.parseClassElement(node.superClass !== null); if (element) { classBody.body.push(element); if (element.type === "MethodDefinition" && element.kind === "constructor") { if (hadConstructor) { this.raise(element.start, "Duplicate constructor in the same class"); } hadConstructor = true; } } } this.strict = oldStrict; this.next(); node.body = this.finishNode(classBody, "ClassBody"); return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression") }; pp$1.parseClassElement = function(constructorAllowsSuper) { var this$1 = this; if (this.eat(types.semi)) { return null } var method = this.startNode(); var tryContextual = function (k, noLineBreak) { if ( noLineBreak === void 0 ) noLineBreak = false; var start = this$1.start, startLoc = this$1.startLoc; if (!this$1.eatContextual(k)) { return false } if (this$1.type !== types.parenL && (!noLineBreak || !this$1.canInsertSemicolon())) { return true } if (method.key) { this$1.unexpected(); } method.computed = false; method.key = this$1.startNodeAt(start, startLoc); method.key.name = k; this$1.finishNode(method.key, "Identifier"); return false }; method.kind = "method"; method.static = tryContextual("static"); var isGenerator = this.eat(types.star); var isAsync = false; if (!isGenerator) { if (this.options.ecmaVersion >= 8 && tryContextual("async", true)) { isAsync = true; isGenerator = this.options.ecmaVersion >= 9 && this.eat(types.star); } else if (tryContextual("get")) { method.kind = "get"; } else if (tryContextual("set")) { method.kind = "set"; } } if (!method.key) { this.parsePropertyName(method); } var key = method.key; var allowsDirectSuper = false; if (!method.computed && !method.static && (key.type === "Identifier" && key.name === "constructor" || key.type === "Literal" && key.value === "constructor")) { if (method.kind !== "method") { this.raise(key.start, "Constructor can't have get/set modifier"); } if (isGenerator) { this.raise(key.start, "Constructor can't be a generator"); } if (isAsync) { this.raise(key.start, "Constructor can't be an async method"); } method.kind = "constructor"; allowsDirectSuper = constructorAllowsSuper; } else if (method.static && key.type === "Identifier" && key.name === "prototype") { this.raise(key.start, "Classes may not have a static property named prototype"); } this.parseClassMethod(method, isGenerator, isAsync, allowsDirectSuper); if (method.kind === "get" && method.value.params.length !== 0) { this.raiseRecoverable(method.value.start, "getter should have no params"); } if (method.kind === "set" && method.value.params.length !== 1) { this.raiseRecoverable(method.value.start, "setter should have exactly one param"); } if (method.kind === "set" && method.value.params[0].type === "RestElement") { this.raiseRecoverable(method.value.params[0].start, "Setter cannot use rest params"); } return method }; pp$1.parseClassMethod = function(method, isGenerator, isAsync, allowsDirectSuper) { method.value = this.parseMethod(isGenerator, isAsync, allowsDirectSuper); return this.finishNode(method, "MethodDefinition") }; pp$1.parseClassId = function(node, isStatement) { if (this.type === types.name) { node.id = this.parseIdent(); if (isStatement) { this.checkLVal(node.id, BIND_LEXICAL, false); } } else { if (isStatement === true) { this.unexpected(); } node.id = null; } }; pp$1.parseClassSuper = function(node) { node.superClass = this.eat(types._extends) ? this.parseExprSubscripts() : null; }; // Parses module export declaration. pp$1.parseExport = function(node, exports) { this.next(); // export * from '...' if (this.eat(types.star)) { if (this.options.ecmaVersion >= 11) { if (this.eatContextual("as")) { node.exported = this.parseIdent(true); this.checkExport(exports, node.exported.name, this.lastTokStart); } else { node.exported = null; } } this.expectContextual("from"); if (this.type !== types.string) { this.unexpected(); } node.source = this.parseExprAtom(); this.semicolon(); return this.finishNode(node, "ExportAllDeclaration") } if (this.eat(types._default)) { // export default ... this.checkExport(exports, "default", this.lastTokStart); var isAsync; if (this.type === types._function || (isAsync = this.isAsyncFunction())) { var fNode = this.startNode(); this.next(); if (isAsync) { this.next(); } node.declaration = this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync); } else if (this.type === types._class) { var cNode = this.startNode(); node.declaration = this.parseClass(cNode, "nullableID"); } else { node.declaration = this.parseMaybeAssign(); this.semicolon(); } return this.finishNode(node, "ExportDefaultDeclaration") } // export var|const|let|function|class ... if (this.shouldParseExportStatement()) { node.declaration = this.parseStatement(null); if (node.declaration.type === "VariableDeclaration") { this.checkVariableExport(exports, node.declaration.declarations); } else { this.checkExport(exports, node.declaration.id.name, node.declaration.id.start); } node.specifiers = []; node.source = null; } else { // export { x, y as z } [from '...'] node.declaration = null; node.specifiers = this.parseExportSpecifiers(exports); if (this.eatContextual("from")) { if (this.type !== types.string) { this.unexpected(); } node.source = this.parseExprAtom(); } else { for (var i = 0, list = node.specifiers; i < list.length; i += 1) { // check for keywords used as local names var spec = list[i]; this.checkUnreserved(spec.local); // check if export is defined this.checkLocalExport(spec.local); } node.source = null; } this.semicolon(); } return this.finishNode(node, "ExportNamedDeclaration") }; pp$1.checkExport = function(exports, name, pos) { if (!exports) { return } if (has(exports, name)) { this.raiseRecoverable(pos, "Duplicate export '" + name + "'"); } exports[name] = true; }; pp$1.checkPatternExport = function(exports, pat) { var type = pat.type; if (type === "Identifier") { this.checkExport(exports, pat.name, pat.start); } else if (type === "ObjectPattern") { for (var i = 0, list = pat.properties; i < list.length; i += 1) { var prop = list[i]; this.checkPatternExport(exports, prop); } } else if (type === "ArrayPattern") { for (var i$1 = 0, list$1 = pat.elements; i$1 < list$1.length; i$1 += 1) { var elt = list$1[i$1]; if (elt) { this.checkPatternExport(exports, elt); } } } else if (type === "Property") { this.checkPatternExport(exports, pat.value); } else if (type === "AssignmentPattern") { this.checkPatternExport(exports, pat.left); } else if (type === "RestElement") { this.checkPatternExport(exports, pat.argument); } else if (type === "ParenthesizedExpression") { this.checkPatternExport(exports, pat.expression); } }; pp$1.checkVariableExport = function(exports, decls) { if (!exports) { return } for (var i = 0, list = decls; i < list.length; i += 1) { var decl = list[i]; this.checkPatternExport(exports, decl.id); } }; pp$1.shouldParseExportStatement = function() { return this.type.keyword === "var" || this.type.keyword === "const" || this.type.keyword === "class" || this.type.keyword === "function" || this.isLet() || this.isAsyncFunction() }; // Parses a comma-separated list of module exports. pp$1.parseExportSpecifiers = function(exports) { var nodes = [], first = true; // export { x, y as z } [from '...'] this.expect(types.braceL); while (!this.eat(types.braceR)) { if (!first) { this.expect(types.comma); if (this.afterTrailingComma(types.braceR)) { break } } else { first = false; } var node = this.startNode(); node.local = this.parseIdent(true); node.exported = this.eatContextual("as") ? this.parseIdent(true) : node.local; this.checkExport(exports, node.exported.name, node.exported.start); nodes.push(this.finishNode(node, "ExportSpecifier")); } return nodes }; // Parses import declaration. pp$1.parseImport = function(node) { this.next(); // import '...' if (this.type === types.string) { node.specifiers = empty; node.source = this.parseExprAtom(); } else { node.specifiers = this.parseImportSpecifiers(); this.expectContextual("from"); node.source = this.type === types.string ? this.parseExprAtom() : this.unexpected(); } this.semicolon(); return this.finishNode(node, "ImportDeclaration") }; // Parses a comma-separated list of module imports. pp$1.parseImportSpecifiers = function() { var nodes = [], first = true; if (this.type === types.name) { // import defaultObj, { x, y as z } from '...' var node = this.startNode(); node.local = this.parseIdent(); this.checkLVal(node.local, BIND_LEXICAL); nodes.push(this.finishNode(node, "ImportDefaultSpecifier")); if (!this.eat(types.comma)) { return nodes } } if (this.type === types.star) { var node$1 = this.startNode(); this.next(); this.expectContextual("as"); node$1.local = this.parseIdent(); this.checkLVal(node$1.local, BIND_LEXICAL); nodes.push(this.finishNode(node$1, "ImportNamespaceSpecifier")); return nodes } this.expect(types.braceL); while (!this.eat(types.braceR)) { if (!first) { this.expect(types.comma); if (this.afterTrailingComma(types.braceR)) { break } } else { first = false; } var node$2 = this.startNode(); node$2.imported = this.parseIdent(true); if (this.eatContextual("as")) { node$2.local = this.parseIdent(); } else { this.checkUnreserved(node$2.imported); node$2.local = node$2.imported; } this.checkLVal(node$2.local, BIND_LEXICAL); nodes.push(this.finishNode(node$2, "ImportSpecifier")); } return nodes }; // Set `ExpressionStatement#directive` property for directive prologues. pp$1.adaptDirectivePrologue = function(statements) { for (var i = 0; i < statements.length && this.isDirectiveCandidate(statements[i]); ++i) { statements[i].directive = statements[i].expression.raw.slice(1, -1); } }; pp$1.isDirectiveCandidate = function(statement) { return ( statement.type === "ExpressionStatement" && statement.expression.type === "Literal" && typeof statement.expression.value === "string" && // Reject parenthesized strings. (this.input[statement.start] === "\"" || this.input[statement.start] === "'") ) }; var pp$2 = Parser.prototype; // Convert existing expression atom to assignable pattern // if possible. pp$2.toAssignable = function(node, isBinding, refDestructuringErrors) { if (this.options.ecmaVersion >= 6 && node) { switch (node.type) { case "Identifier": if (this.inAsync && node.name === "await") { this.raise(node.start, "Cannot use 'await' as identifier inside an async function"); } break case "ObjectPattern": case "ArrayPattern": case "RestElement": break case "ObjectExpression": node.type = "ObjectPattern"; if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } for (var i = 0, list = node.properties; i < list.length; i += 1) { var prop = list[i]; this.toAssignable(prop, isBinding); // Early error: // AssignmentRestProperty[Yield, Await] : // `...` DestructuringAssignmentTarget[Yield, Await] // // It is a Syntax Error if |DestructuringAssignmentTarget| is an |ArrayLiteral| or an |ObjectLiteral|. if ( prop.type === "RestElement" && (prop.argument.type === "ArrayPattern" || prop.argument.type === "ObjectPattern") ) { this.raise(prop.argument.start, "Unexpected token"); } } break case "Property": // AssignmentProperty has type === "Property" if (node.kind !== "init") { this.raise(node.key.start, "Object pattern can't contain getter or setter"); } this.toAssignable(node.value, isBinding); break case "ArrayExpression": node.type = "ArrayPattern"; if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } this.toAssignableList(node.elements, isBinding); break case "SpreadElement": node.type = "RestElement"; this.toAssignable(node.argument, isBinding); if (node.argument.type === "AssignmentPattern") { this.raise(node.argument.start, "Rest elements cannot have a default value"); } break case "AssignmentExpression": if (node.operator !== "=") { this.raise(node.left.end, "Only '=' operator can be used for specifying default value."); } node.type = "AssignmentPattern"; delete node.operator; this.toAssignable(node.left, isBinding); // falls through to AssignmentPattern case "AssignmentPattern": break case "ParenthesizedExpression": this.toAssignable(node.expression, isBinding, refDestructuringErrors); break case "ChainExpression": this.raiseRecoverable(node.start, "Optional chaining cannot appear in left-hand side"); break case "MemberExpression": if (!isBinding) { break } default: this.raise(node.start, "Assigning to rvalue"); } } else if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } return node }; // Convert list of expression atoms to binding list. pp$2.toAssignableList = function(exprList, isBinding) { var end = exprList.length; for (var i = 0; i < end; i++) { var elt = exprList[i]; if (elt) { this.toAssignable(elt, isBinding); } } if (end) { var last = exprList[end - 1]; if (this.options.ecmaVersion === 6 && isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier") { this.unexpected(last.argument.start); } } return exprList }; // Parses spread element. pp$2.parseSpread = function(refDestructuringErrors) { var node = this.startNode(); this.next(); node.argument = this.parseMaybeAssign(false, refDestructuringErrors); return this.finishNode(node, "SpreadElement") }; pp$2.parseRestBinding = function() { var node = this.startNode(); this.next(); // RestElement inside of a function parameter must be an identifier if (this.options.ecmaVersion === 6 && this.type !== types.name) { this.unexpected(); } node.argument = this.parseBindingAtom(); return this.finishNode(node, "RestElement") }; // Parses lvalue (assignable) atom. pp$2.parseBindingAtom = function() { if (this.options.ecmaVersion >= 6) { switch (this.type) { case types.bracketL: var node = this.startNode(); this.next(); node.elements = this.parseBindingList(types.bracketR, true, true); return this.finishNode(node, "ArrayPattern") case types.braceL: return this.parseObj(true) } } return this.parseIdent() }; pp$2.parseBindingList = function(close, allowEmpty, allowTrailingComma) { var elts = [], first = true; while (!this.eat(close)) { if (first) { first = false; } else { this.expect(types.comma); } if (allowEmpty && this.type === types.comma) { elts.push(null); } else if (allowTrailingComma && this.afterTrailingComma(close)) { break } else if (this.type === types.ellipsis) { var rest = this.parseRestBinding(); this.parseBindingListItem(rest); elts.push(rest); if (this.type === types.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } this.expect(close); break } else { var elem = this.parseMaybeDefault(this.start, this.startLoc); this.parseBindingListItem(elem); elts.push(elem); } } return elts }; pp$2.parseBindingListItem = function(param) { return param }; // Parses assignment pattern around given atom if possible. pp$2.parseMaybeDefault = function(startPos, startLoc, left) { left = left || this.parseBindingAtom(); if (this.options.ecmaVersion < 6 || !this.eat(types.eq)) { return left } var node = this.startNodeAt(startPos, startLoc); node.left = left; node.right = this.parseMaybeAssign(); return this.finishNode(node, "AssignmentPattern") }; // Verify that a node is an lval — something that can be assigned // to. // bindingType can be either: // 'var' indicating that the lval creates a 'var' binding // 'let' indicating that the lval creates a lexical ('let' or 'const') binding // 'none' indicating that the binding should be checked for illegal identifiers, but not for duplicate references pp$2.checkLVal = function(expr, bindingType, checkClashes) { if ( bindingType === void 0 ) bindingType = BIND_NONE; switch (expr.type) { case "Identifier": if (bindingType === BIND_LEXICAL && expr.name === "let") { this.raiseRecoverable(expr.start, "let is disallowed as a lexically bound name"); } if (this.strict && this.reservedWordsStrictBind.test(expr.name)) { this.raiseRecoverable(expr.start, (bindingType ? "Binding " : "Assigning to ") + expr.name + " in strict mode"); } if (checkClashes) { if (has(checkClashes, expr.name)) { this.raiseRecoverable(expr.start, "Argument name clash"); } checkClashes[expr.name] = true; } if (bindingType !== BIND_NONE && bindingType !== BIND_OUTSIDE) { this.declareName(expr.name, bindingType, expr.start); } break case "ChainExpression": this.raiseRecoverable(expr.start, "Optional chaining cannot appear in left-hand side"); break case "MemberExpression": if (bindingType) { this.raiseRecoverable(expr.start, "Binding member expression"); } break case "ObjectPattern": for (var i = 0, list = expr.properties; i < list.length; i += 1) { var prop = list[i]; this.checkLVal(prop, bindingType, checkClashes); } break case "Property": // AssignmentProperty has type === "Property" this.checkLVal(expr.value, bindingType, checkClashes); break case "ArrayPattern": for (var i$1 = 0, list$1 = expr.elements; i$1 < list$1.length; i$1 += 1) { var elem = list$1[i$1]; if (elem) { this.checkLVal(elem, bindingType, checkClashes); } } break case "AssignmentPattern": this.checkLVal(expr.left, bindingType, checkClashes); break case "RestElement": this.checkLVal(expr.argument, bindingType, checkClashes); break case "ParenthesizedExpression": this.checkLVal(expr.expression, bindingType, checkClashes); break default: this.raise(expr.start, (bindingType ? "Binding" : "Assigning to") + " rvalue"); } }; // A recursive descent parser operates by defining functions for all var pp$3 = Parser.prototype; // Check if property name clashes with already added. // Object/class getters and setters are not allowed to clash — // either with each other or with an init property — and in // strict mode, init properties are also not allowed to be repeated. pp$3.checkPropClash = function(prop, propHash, refDestructuringErrors) { if (this.options.ecmaVersion >= 9 && prop.type === "SpreadElement") { return } if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand)) { return } var key = prop.key; var name; switch (key.type) { case "Identifier": name = key.name; break case "Literal": name = String(key.value); break default: return } var kind = prop.kind; if (this.options.ecmaVersion >= 6) { if (name === "__proto__" && kind === "init") { if (propHash.proto) { if (refDestructuringErrors) { if (refDestructuringErrors.doubleProto < 0) { refDestructuringErrors.doubleProto = key.start; } // Backwards-compat kludge. Can be removed in version 6.0 } else { this.raiseRecoverable(key.start, "Redefinition of __proto__ property"); } } propHash.proto = true; } return } name = "$" + name; var other = propHash[name]; if (other) { var redefinition; if (kind === "init") { redefinition = this.strict && other.init || other.get || other.set; } else { redefinition = other.init || other[kind]; } if (redefinition) { this.raiseRecoverable(key.start, "Redefinition of property"); } } else { other = propHash[name] = { init: false, get: false, set: false }; } other[kind] = true; }; // ### Expression parsing // These nest, from the most general expression type at the top to // 'atomic', nondivisible expression types at the bottom. Most of // the functions will simply let the function(s) below them parse, // and, *if* the syntactic construct they handle is present, wrap // the AST node that the inner parser gave them in another node. // Parse a full expression. The optional arguments are used to // forbid the `in` operator (in for loops initalization expressions) // and provide reference for storing '=' operator inside shorthand // property assignment in contexts where both object expression // and object pattern might appear (so it's possible to raise // delayed syntax error at correct position). pp$3.parseExpression = function(noIn, refDestructuringErrors) { var startPos = this.start, startLoc = this.startLoc; var expr = this.parseMaybeAssign(noIn, refDestructuringErrors); if (this.type === types.comma) { var node = this.startNodeAt(startPos, startLoc); node.expressions = [expr]; while (this.eat(types.comma)) { node.expressions.push(this.parseMaybeAssign(noIn, refDestructuringErrors)); } return this.finishNode(node, "SequenceExpression") } return expr }; // Parse an assignment expression. This includes applications of // operators like `+=`. pp$3.parseMaybeAssign = function(noIn, refDestructuringErrors, afterLeftParse) { if (this.isContextual("yield")) { if (this.inGenerator) { return this.parseYield(noIn) } // The tokenizer will assume an expression is allowed after // `yield`, but this isn't that kind of yield else { this.exprAllowed = false; } } var ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1; if (refDestructuringErrors) { oldParenAssign = refDestructuringErrors.parenthesizedAssign; oldTrailingComma = refDestructuringErrors.trailingComma; refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1; } else { refDestructuringErrors = new DestructuringErrors; ownDestructuringErrors = true; } var startPos = this.start, startLoc = this.startLoc; if (this.type === types.parenL || this.type === types.name) { this.potentialArrowAt = this.start; } var left = this.parseMaybeConditional(noIn, refDestructuringErrors); if (afterLeftParse) { left = afterLeftParse.call(this, left, startPos, startLoc); } if (this.type.isAssign) { var node = this.startNodeAt(startPos, startLoc); node.operator = this.value; node.left = this.type === types.eq ? this.toAssignable(left, false, refDestructuringErrors) : left; if (!ownDestructuringErrors) { refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = refDestructuringErrors.doubleProto = -1; } if (refDestructuringErrors.shorthandAssign >= node.left.start) { refDestructuringErrors.shorthandAssign = -1; } // reset because shorthand default was used correctly this.checkLVal(left); this.next(); node.right = this.parseMaybeAssign(noIn); return this.finishNode(node, "AssignmentExpression") } else { if (ownDestructuringErrors) { this.checkExpressionErrors(refDestructuringErrors, true); } } if (oldParenAssign > -1) { refDestructuringErrors.parenthesizedAssign = oldParenAssign; } if (oldTrailingComma > -1) { refDestructuringErrors.trailingComma = oldTrailingComma; } return left }; // Parse a ternary conditional (`?:`) operator. pp$3.parseMaybeConditional = function(noIn, refDestructuringErrors) { var startPos = this.start, startLoc = this.startLoc; var expr = this.parseExprOps(noIn, refDestructuringErrors); if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } if (this.eat(types.question)) { var node = this.startNodeAt(startPos, startLoc); node.test = expr; node.consequent = this.parseMaybeAssign(); this.expect(types.colon); node.alternate = this.parseMaybeAssign(noIn); return this.finishNode(node, "ConditionalExpression") } return expr }; // Start the precedence parser. pp$3.parseExprOps = function(noIn, refDestructuringErrors) { var startPos = this.start, startLoc = this.startLoc; var expr = this.parseMaybeUnary(refDestructuringErrors, false); if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } return expr.start === startPos && expr.type === "ArrowFunctionExpression" ? expr : this.parseExprOp(expr, startPos, startLoc, -1, noIn) }; // Parse binary operators with the operator precedence parsing // algorithm. `left` is the left-hand side of the operator. // `minPrec` provides context that allows the function to stop and // defer further parser to one of its callers when it encounters an // operator that has a lower precedence than the set it is parsing. pp$3.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, noIn) { var prec = this.type.binop; if (prec != null && (!noIn || this.type !== types._in)) { if (prec > minPrec) { var logical = this.type === types.logicalOR || this.type === types.logicalAND; var coalesce = this.type === types.coalesce; if (coalesce) { // Handle the precedence of `tt.coalesce` as equal to the range of logical expressions. // In other words, `node.right` shouldn't contain logical expressions in order to check the mixed error. prec = types.logicalAND.binop; } var op = this.value; this.next(); var startPos = this.start, startLoc = this.startLoc; var right = this.parseExprOp(this.parseMaybeUnary(null, false), startPos, startLoc, prec, noIn); var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical || coalesce); if ((logical && this.type === types.coalesce) || (coalesce && (this.type === types.logicalOR || this.type === types.logicalAND))) { this.raiseRecoverable(this.start, "Logical expressions and coalesce expressions cannot be mixed. Wrap either by parentheses"); } return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, noIn) } } return left }; pp$3.buildBinary = function(startPos, startLoc, left, right, op, logical) { var node = this.startNodeAt(startPos, startLoc); node.left = left; node.operator = op; node.right = right; return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression") }; // Parse unary operators, both prefix and postfix. pp$3.parseMaybeUnary = function(refDestructuringErrors, sawUnary) { var startPos = this.start, startLoc = this.startLoc, expr; if (this.isContextual("await") && (this.inAsync || (!this.inFunction && this.options.allowAwaitOutsideFunction))) { expr = this.parseAwait(); sawUnary = true; } else if (this.type.prefix) { var node = this.startNode(), update = this.type === types.incDec; node.operator = this.value; node.prefix = true; this.next(); node.argument = this.parseMaybeUnary(null, true); this.checkExpressionErrors(refDestructuringErrors, true); if (update) { this.checkLVal(node.argument); } else if (this.strict && node.operator === "delete" && node.argument.type === "Identifier") { this.raiseRecoverable(node.start, "Deleting local variable in strict mode"); } else { sawUnary = true; } expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression"); } else { expr = this.parseExprSubscripts(refDestructuringErrors); if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } while (this.type.postfix && !this.canInsertSemicolon()) { var node$1 = this.startNodeAt(startPos, startLoc); node$1.operator = this.value; node$1.prefix = false; node$1.argument = expr; this.checkLVal(expr); this.next(); expr = this.finishNode(node$1, "UpdateExpression"); } } if (!sawUnary && this.eat(types.starstar)) { return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false), "**", false) } else { return expr } }; // Parse call, dot, and `[]`-subscript expressions. pp$3.parseExprSubscripts = function(refDestructuringErrors) { var startPos = this.start, startLoc = this.startLoc; var expr = this.parseExprAtom(refDestructuringErrors); if (expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")") { return expr } var result = this.parseSubscripts(expr, startPos, startLoc); if (refDestructuringErrors && result.type === "MemberExpression") { if (refDestructuringErrors.parenthesizedAssign >= result.start) { refDestructuringErrors.parenthesizedAssign = -1; } if (refDestructuringErrors.parenthesizedBind >= result.start) { refDestructuringErrors.parenthesizedBind = -1; } } return result }; pp$3.parseSubscripts = function(base, startPos, startLoc, noCalls) { var maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" && this.lastTokEnd === base.end && !this.canInsertSemicolon() && base.end - base.start === 5 && this.potentialArrowAt === base.start; var optionalChained = false; while (true) { var element = this.parseSubscript(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained); if (element.optional) { optionalChained = true; } if (element === base || element.type === "ArrowFunctionExpression") { if (optionalChained) { var chainNode = this.startNodeAt(startPos, startLoc); chainNode.expression = element; element = this.finishNode(chainNode, "ChainExpression"); } return element } base = element; } }; pp$3.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained) { var optionalSupported = this.options.ecmaVersion >= 11; var optional = optionalSupported && this.eat(types.questionDot); if (noCalls && optional) { this.raise(this.lastTokStart, "Optional chaining cannot appear in the callee of new expressions"); } var computed = this.eat(types.bracketL); if (computed || (optional && this.type !== types.parenL && this.type !== types.backQuote) || this.eat(types.dot)) { var node = this.startNodeAt(startPos, startLoc); node.object = base; node.property = computed ? this.parseExpression() : this.parseIdent(this.options.allowReserved !== "never"); node.computed = !!computed; if (computed) { this.expect(types.bracketR); } if (optionalSupported) { node.optional = optional; } base = this.finishNode(node, "MemberExpression"); } else if (!noCalls && this.eat(types.parenL)) { var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; this.yieldPos = 0; this.awaitPos = 0; this.awaitIdentPos = 0; var exprList = this.parseExprList(types.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors); if (maybeAsyncArrow && !optional && !this.canInsertSemicolon() && this.eat(types.arrow)) { this.checkPatternErrors(refDestructuringErrors, false); this.checkYieldAwaitInDefaultParams(); if (this.awaitIdentPos > 0) { this.raise(this.awaitIdentPos, "Cannot use 'await' as identifier inside an async function"); } this.yieldPos = oldYieldPos; this.awaitPos = oldAwaitPos; this.awaitIdentPos = oldAwaitIdentPos; return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true) } this.checkExpressionErrors(refDestructuringErrors, true); this.yieldPos = oldYieldPos || this.yieldPos; this.awaitPos = oldAwaitPos || this.awaitPos; this.awaitIdentPos = oldAwaitIdentPos || this.awaitIdentPos; var node$1 = this.startNodeAt(startPos, startLoc); node$1.callee = base; node$1.arguments = exprList; if (optionalSupported) { node$1.optional = optional; } base = this.finishNode(node$1, "CallExpression"); } else if (this.type === types.backQuote) { if (optional || optionalChained) { this.raise(this.start, "Optional chaining cannot appear in the tag of tagged template expressions"); } var node$2 = this.startNodeAt(startPos, startLoc); node$2.tag = base; node$2.quasi = this.parseTemplate({isTagged: true}); base = this.finishNode(node$2, "TaggedTemplateExpression"); } return base }; // Parse an atomic expression — either a single token that is an // expression, an expression started by a keyword like `function` or // `new`, or an expression wrapped in punctuation like `()`, `[]`, // or `{}`. pp$3.parseExprAtom = function(refDestructuringErrors) { // If a division operator appears in an expression position, the // tokenizer got confused, and we force it to read a regexp instead. if (this.type === types.slash) { this.readRegexp(); } var node, canBeArrow = this.potentialArrowAt === this.start; switch (this.type) { case types._super: if (!this.allowSuper) { this.raise(this.start, "'super' keyword outside a method"); } node = this.startNode(); this.next(); if (this.type === types.parenL && !this.allowDirectSuper) { this.raise(node.start, "super() call outside constructor of a subclass"); } // The `super` keyword can appear at below: // SuperProperty: // super [ Expression ] // super . IdentifierName // SuperCall: // super ( Arguments ) if (this.type !== types.dot && this.type !== types.bracketL && this.type !== types.parenL) { this.unexpected(); } return this.finishNode(node, "Super") case types._this: node = this.startNode(); this.next(); return this.finishNode(node, "ThisExpression") case types.name: var startPos = this.start, startLoc = this.startLoc, containsEsc = this.containsEsc; var id = this.parseIdent(false); if (this.options.ecmaVersion >= 8 && !containsEsc && id.name === "async" && !this.canInsertSemicolon() && this.eat(types._function)) { return this.parseFunction(this.startNodeAt(startPos, startLoc), 0, false, true) } if (canBeArrow && !this.canInsertSemicolon()) { if (this.eat(types.arrow)) { return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false) } if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === types.name && !containsEsc) { id = this.parseIdent(false); if (this.canInsertSemicolon() || !this.eat(types.arrow)) { this.unexpected(); } return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true) } } return id case types.regexp: var value = this.value; node = this.parseLiteral(value.value); node.regex = {pattern: value.pattern, flags: value.flags}; return node case types.num: case types.string: return this.parseLiteral(this.value) case types._null: case types._true: case types._false: node = this.startNode(); node.value = this.type === types._null ? null : this.type === types._true; node.raw = this.type.keyword; this.next(); return this.finishNode(node, "Literal") case types.parenL: var start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow); if (refDestructuringErrors) { if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr)) { refDestructuringErrors.parenthesizedAssign = start; } if (refDestructuringErrors.parenthesizedBind < 0) { refDestructuringErrors.parenthesizedBind = start; } } return expr case types.bracketL: node = this.startNode(); this.next(); node.elements = this.parseExprList(types.bracketR, true, true, refDestructuringErrors); return this.finishNode(node, "ArrayExpression") case types.braceL: return this.parseObj(false, refDestructuringErrors) case types._function: node = this.startNode(); this.next(); return this.parseFunction(node, 0) case types._class: return this.parseClass(this.startNode(), false) case types._new: return this.parseNew() case types.backQuote: return this.parseTemplate() case types._import: if (this.options.ecmaVersion >= 11) { return this.parseExprImport() } else { return this.unexpected() } default: this.unexpected(); } }; pp$3.parseExprImport = function() { var node = this.startNode(); // Consume `import` as an identifier for `import.meta`. // Because `this.parseIdent(true)` doesn't check escape sequences, it needs the check of `this.containsEsc`. if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword import"); } var meta = this.parseIdent(true); switch (this.type) { case types.parenL: return this.parseDynamicImport(node) case types.dot: node.meta = meta; return this.parseImportMeta(node) default: this.unexpected(); } }; pp$3.parseDynamicImport = function(node) { this.next(); // skip `(` // Parse node.source. node.source = this.parseMaybeAssign(); // Verify ending. if (!this.eat(types.parenR)) { var errorPos = this.start; if (this.eat(types.comma) && this.eat(types.parenR)) { this.raiseRecoverable(errorPos, "Trailing comma is not allowed in import()"); } else { this.unexpected(errorPos); } } return this.finishNode(node, "ImportExpression") }; pp$3.parseImportMeta = function(node) { this.next(); // skip `.` var containsEsc = this.containsEsc; node.property = this.parseIdent(true); if (node.property.name !== "meta") { this.raiseRecoverable(node.property.start, "The only valid meta property for import is 'import.meta'"); } if (containsEsc) { this.raiseRecoverable(node.start, "'import.meta' must not contain escaped characters"); } if (this.options.sourceType !== "module") { this.raiseRecoverable(node.start, "Cannot use 'import.meta' outside a module"); } return this.finishNode(node, "MetaProperty") }; pp$3.parseLiteral = function(value) { var node = this.startNode(); node.value = value; node.raw = this.input.slice(this.start, this.end); if (node.raw.charCodeAt(node.raw.length - 1) === 110) { node.bigint = node.raw.slice(0, -1).replace(/_/g, ""); } this.next(); return this.finishNode(node, "Literal") }; pp$3.parseParenExpression = function() { this.expect(types.parenL); var val = this.parseExpression(); this.expect(types.parenR); return val }; pp$3.parseParenAndDistinguishExpression = function(canBeArrow) { var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8; if (this.options.ecmaVersion >= 6) { this.next(); var innerStartPos = this.start, innerStartLoc = this.startLoc; var exprList = [], first = true, lastIsComma = false; var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, spreadStart; this.yieldPos = 0; this.awaitPos = 0; // Do not save awaitIdentPos to allow checking awaits nested in parameters while (this.type !== types.parenR) { first ? first = false : this.expect(types.comma); if (allowTrailingComma && this.afterTrailingComma(types.parenR, true)) { lastIsComma = true; break } else if (this.type === types.ellipsis) { spreadStart = this.start; exprList.push(this.parseParenItem(this.parseRestBinding())); if (this.type === types.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } break } else { exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem)); } } var innerEndPos = this.start, innerEndLoc = this.startLoc; this.expect(types.parenR); if (canBeArrow && !this.canInsertSemicolon() && this.eat(types.arrow)) { this.checkPatternErrors(refDestructuringErrors, false); this.checkYieldAwaitInDefaultParams(); this.yieldPos = oldYieldPos; this.awaitPos = oldAwaitPos; return this.parseParenArrowList(startPos, startLoc, exprList) } if (!exprList.length || lastIsComma) { this.unexpected(this.lastTokStart); } if (spreadStart) { this.unexpected(spreadStart); } this.checkExpressionErrors(refDestructuringErrors, true); this.yieldPos = oldYieldPos || this.yieldPos; this.awaitPos = oldAwaitPos || this.awaitPos; if (exprList.length > 1) { val = this.startNodeAt(innerStartPos, innerStartLoc); val.expressions = exprList; this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc); } else { val = exprList[0]; } } else { val = this.parseParenExpression(); } if (this.options.preserveParens) { var par = this.startNodeAt(startPos, startLoc); par.expression = val; return this.finishNode(par, "ParenthesizedExpression") } else { return val } }; pp$3.parseParenItem = function(item) { return item }; pp$3.parseParenArrowList = function(startPos, startLoc, exprList) { return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList) }; // New's precedence is slightly tricky. It must allow its argument to // be a `[]` or dot subscript expression, but not a call — at least, // not without wrapping it in parentheses. Thus, it uses the noCalls // argument to parseSubscripts to prevent it from consuming the // argument list. var empty$1 = []; pp$3.parseNew = function() { if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword new"); } var node = this.startNode(); var meta = this.parseIdent(true); if (this.options.ecmaVersion >= 6 && this.eat(types.dot)) { node.meta = meta; var containsEsc = this.containsEsc; node.property = this.parseIdent(true); if (node.property.name !== "target") { this.raiseRecoverable(node.property.start, "The only valid meta property for new is 'new.target'"); } if (containsEsc) { this.raiseRecoverable(node.start, "'new.target' must not contain escaped characters"); } if (!this.inNonArrowFunction()) { this.raiseRecoverable(node.start, "'new.target' can only be used in functions"); } return this.finishNode(node, "MetaProperty") } var startPos = this.start, startLoc = this.startLoc, isImport = this.type === types._import; node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true); if (isImport && node.callee.type === "ImportExpression") { this.raise(startPos, "Cannot use new with import()"); } if (this.eat(types.parenL)) { node.arguments = this.parseExprList(types.parenR, this.options.ecmaVersion >= 8, false); } else { node.arguments = empty$1; } return this.finishNode(node, "NewExpression") }; // Parse template expression. pp$3.parseTemplateElement = function(ref) { var isTagged = ref.isTagged; var elem = this.startNode(); if (this.type === types.invalidTemplate) { if (!isTagged) { this.raiseRecoverable(this.start, "Bad escape sequence in untagged template literal"); } elem.value = { raw: this.value, cooked: null }; } else { elem.value = { raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, "\n"), cooked: this.value }; } this.next(); elem.tail = this.type === types.backQuote; return this.finishNode(elem, "TemplateElement") }; pp$3.parseTemplate = function(ref) { if ( ref === void 0 ) ref = {}; var isTagged = ref.isTagged; if ( isTagged === void 0 ) isTagged = false; var node = this.startNode(); this.next(); node.expressions = []; var curElt = this.parseTemplateElement({isTagged: isTagged}); node.quasis = [curElt]; while (!curElt.tail) { if (this.type === types.eof) { this.raise(this.pos, "Unterminated template literal"); } this.expect(types.dollarBraceL); node.expressions.push(this.parseExpression()); this.expect(types.braceR); node.quasis.push(curElt = this.parseTemplateElement({isTagged: isTagged})); } this.next(); return this.finishNode(node, "TemplateLiteral") }; pp$3.isAsyncProp = function(prop) { return !prop.computed && prop.key.type === "Identifier" && prop.key.name === "async" && (this.type === types.name || this.type === types.num || this.type === types.string || this.type === types.bracketL || this.type.keyword || (this.options.ecmaVersion >= 9 && this.type === types.star)) && !lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) }; // Parse an object literal or binding pattern. pp$3.parseObj = function(isPattern, refDestructuringErrors) { var node = this.startNode(), first = true, propHash = {}; node.properties = []; this.next(); while (!this.eat(types.braceR)) { if (!first) { this.expect(types.comma); if (this.options.ecmaVersion >= 5 && this.afterTrailingComma(types.braceR)) { break } } else { first = false; } var prop = this.parseProperty(isPattern, refDestructuringErrors); if (!isPattern) { this.checkPropClash(prop, propHash, refDestructuringErrors); } node.properties.push(prop); } return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression") }; pp$3.parseProperty = function(isPattern, refDestructuringErrors) { var prop = this.startNode(), isGenerator, isAsync, startPos, startLoc; if (this.options.ecmaVersion >= 9 && this.eat(types.ellipsis)) { if (isPattern) { prop.argument = this.parseIdent(false); if (this.type === types.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } return this.finishNode(prop, "RestElement") } // To disallow parenthesized identifier via `this.toAssignable()`. if (this.type === types.parenL && refDestructuringErrors) { if (refDestructuringErrors.parenthesizedAssign < 0) { refDestructuringErrors.parenthesizedAssign = this.start; } if (refDestructuringErrors.parenthesizedBind < 0) { refDestructuringErrors.parenthesizedBind = this.start; } } // Parse argument. prop.argument = this.parseMaybeAssign(false, refDestructuringErrors); // To disallow trailing comma via `this.toAssignable()`. if (this.type === types.comma && refDestructuringErrors && refDestructuringErrors.trailingComma < 0) { refDestructuringErrors.trailingComma = this.start; } // Finish return this.finishNode(prop, "SpreadElement") } if (this.options.ecmaVersion >= 6) { prop.method = false; prop.shorthand = false; if (isPattern || refDestructuringErrors) { startPos = this.start; startLoc = this.startLoc; } if (!isPattern) { isGenerator = this.eat(types.star); } } var containsEsc = this.containsEsc; this.parsePropertyName(prop); if (!isPattern && !containsEsc && this.options.ecmaVersion >= 8 && !isGenerator && this.isAsyncProp(prop)) { isAsync = true; isGenerator = this.options.ecmaVersion >= 9 && this.eat(types.star); this.parsePropertyName(prop, refDestructuringErrors); } else { isAsync = false; } this.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc); return this.finishNode(prop, "Property") }; pp$3.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) { if ((isGenerator || isAsync) && this.type === types.colon) { this.unexpected(); } if (this.eat(types.colon)) { prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors); prop.kind = "init"; } else if (this.options.ecmaVersion >= 6 && this.type === types.parenL) { if (isPattern) { this.unexpected(); } prop.kind = "init"; prop.method = true; prop.value = this.parseMethod(isGenerator, isAsync); } else if (!isPattern && !containsEsc && this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" && (prop.key.name === "get" || prop.key.name === "set") && (this.type !== types.comma && this.type !== types.braceR && this.type !== types.eq)) { if (isGenerator || isAsync) { this.unexpected(); } prop.kind = prop.key.name; this.parsePropertyName(prop); prop.value = this.parseMethod(false); var paramCount = prop.kind === "get" ? 0 : 1; if (prop.value.params.length !== paramCount) { var start = prop.value.start; if (prop.kind === "get") { this.raiseRecoverable(start, "getter should have no params"); } else { this.raiseRecoverable(start, "setter should have exactly one param"); } } else { if (prop.kind === "set" && prop.value.params[0].type === "RestElement") { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); } } } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") { if (isGenerator || isAsync) { this.unexpected(); } this.checkUnreserved(prop.key); if (prop.key.name === "await" && !this.awaitIdentPos) { this.awaitIdentPos = startPos; } prop.kind = "init"; if (isPattern) { prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key); } else if (this.type === types.eq && refDestructuringErrors) { if (refDestructuringErrors.shorthandAssign < 0) { refDestructuringErrors.shorthandAssign = this.start; } prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key); } else { prop.value = prop.key; } prop.shorthand = true; } else { this.unexpected(); } }; pp$3.parsePropertyName = function(prop) { if (this.options.ecmaVersion >= 6) { if (this.eat(types.bracketL)) { prop.computed = true; prop.key = this.parseMaybeAssign(); this.expect(types.bracketR); return prop.key } else { prop.computed = false; } } return prop.key = this.type === types.num || this.type === types.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never") }; // Initialize empty function node. pp$3.initFunction = function(node) { node.id = null; if (this.options.ecmaVersion >= 6) { node.generator = node.expression = false; } if (this.options.ecmaVersion >= 8) { node.async = false; } }; // Parse object or class method. pp$3.parseMethod = function(isGenerator, isAsync, allowDirectSuper) { var node = this.startNode(), oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; this.initFunction(node); if (this.options.ecmaVersion >= 6) { node.generator = isGenerator; } if (this.options.ecmaVersion >= 8) { node.async = !!isAsync; } this.yieldPos = 0; this.awaitPos = 0; this.awaitIdentPos = 0; this.enterScope(functionFlags(isAsync, node.generator) | SCOPE_SUPER | (allowDirectSuper ? SCOPE_DIRECT_SUPER : 0)); this.expect(types.parenL); node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8); this.checkYieldAwaitInDefaultParams(); this.parseFunctionBody(node, false, true); this.yieldPos = oldYieldPos; this.awaitPos = oldAwaitPos; this.awaitIdentPos = oldAwaitIdentPos; return this.finishNode(node, "FunctionExpression") }; // Parse arrow function expression with given parameters. pp$3.parseArrowExpression = function(node, params, isAsync) { var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; this.enterScope(functionFlags(isAsync, false) | SCOPE_ARROW); this.initFunction(node); if (this.options.ecmaVersion >= 8) { node.async = !!isAsync; } this.yieldPos = 0; this.awaitPos = 0; this.awaitIdentPos = 0; node.params = this.toAssignableList(params, true); this.parseFunctionBody(node, true, false); this.yieldPos = oldYieldPos; this.awaitPos = oldAwaitPos; this.awaitIdentPos = oldAwaitIdentPos; return this.finishNode(node, "ArrowFunctionExpression") }; // Parse function body and check parameters. pp$3.parseFunctionBody = function(node, isArrowFunction, isMethod) { var isExpression = isArrowFunction && this.type !== types.braceL; var oldStrict = this.strict, useStrict = false; if (isExpression) { node.body = this.parseMaybeAssign(); node.expression = true; this.checkParams(node, false); } else { var nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params); if (!oldStrict || nonSimple) { useStrict = this.strictDirective(this.end); // If this is a strict mode function, verify that argument names // are not repeated, and it does not try to bind the words `eval` // or `arguments`. if (useStrict && nonSimple) { this.raiseRecoverable(node.start, "Illegal 'use strict' directive in function with non-simple parameter list"); } } // Start a new scope with regard to labels and the `inFunction` // flag (restore them to their old value afterwards). var oldLabels = this.labels; this.labels = []; if (useStrict) { this.strict = true; } // Add the params to varDeclaredNames to ensure that an error is thrown // if a let/const declaration in the function clashes with one of the params. this.checkParams(node, !oldStrict && !useStrict && !isArrowFunction && !isMethod && this.isSimpleParamList(node.params)); // Ensure the function name isn't a forbidden identifier in strict mode, e.g. 'eval' if (this.strict && node.id) { this.checkLVal(node.id, BIND_OUTSIDE); } node.body = this.parseBlock(false, undefined, useStrict && !oldStrict); node.expression = false; this.adaptDirectivePrologue(node.body.body); this.labels = oldLabels; } this.exitScope(); }; pp$3.isSimpleParamList = function(params) { for (var i = 0, list = params; i < list.length; i += 1) { var param = list[i]; if (param.type !== "Identifier") { return false } } return true }; // Checks function params for various disallowed patterns such as using "eval" // or "arguments" and duplicate parameters. pp$3.checkParams = function(node, allowDuplicates) { var nameHash = {}; for (var i = 0, list = node.params; i < list.length; i += 1) { var param = list[i]; this.checkLVal(param, BIND_VAR, allowDuplicates ? null : nameHash); } }; // Parses a comma-separated list of expressions, and returns them as // an array. `close` is the token type that ends the list, and // `allowEmpty` can be turned on to allow subsequent commas with // nothing in between them to be parsed as `null` (which is needed // for array literals). pp$3.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) { var elts = [], first = true; while (!this.eat(close)) { if (!first) { this.expect(types.comma); if (allowTrailingComma && this.afterTrailingComma(close)) { break } } else { first = false; } var elt = (void 0); if (allowEmpty && this.type === types.comma) { elt = null; } else if (this.type === types.ellipsis) { elt = this.parseSpread(refDestructuringErrors); if (refDestructuringErrors && this.type === types.comma && refDestructuringErrors.trailingComma < 0) { refDestructuringErrors.trailingComma = this.start; } } else { elt = this.parseMaybeAssign(false, refDestructuringErrors); } elts.push(elt); } return elts }; pp$3.checkUnreserved = function(ref) { var start = ref.start; var end = ref.end; var name = ref.name; if (this.inGenerator && name === "yield") { this.raiseRecoverable(start, "Cannot use 'yield' as identifier inside a generator"); } if (this.inAsync && name === "await") { this.raiseRecoverable(start, "Cannot use 'await' as identifier inside an async function"); } if (this.keywords.test(name)) { this.raise(start, ("Unexpected keyword '" + name + "'")); } if (this.options.ecmaVersion < 6 && this.input.slice(start, end).indexOf("\\") !== -1) { return } var re = this.strict ? this.reservedWordsStrict : this.reservedWords; if (re.test(name)) { if (!this.inAsync && name === "await") { this.raiseRecoverable(start, "Cannot use keyword 'await' outside an async function"); } this.raiseRecoverable(start, ("The keyword '" + name + "' is reserved")); } }; // Parse the next token as an identifier. If `liberal` is true (used // when parsing properties), it will also convert keywords into // identifiers. pp$3.parseIdent = function(liberal, isBinding) { var node = this.startNode(); if (this.type === types.name) { node.name = this.value; } else if (this.type.keyword) { node.name = this.type.keyword; // To fix https://github.com/acornjs/acorn/issues/575 // `class` and `function` keywords push new context into this.context. // But there is no chance to pop the context if the keyword is consumed as an identifier such as a property name. // If the previous token is a dot, this does not apply because the context-managing code already ignored the keyword if ((node.name === "class" || node.name === "function") && (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) { this.context.pop(); } } else { this.unexpected(); } this.next(!!liberal); this.finishNode(node, "Identifier"); if (!liberal) { this.checkUnreserved(node); if (node.name === "await" && !this.awaitIdentPos) { this.awaitIdentPos = node.start; } } return node }; // Parses yield expression inside generator. pp$3.parseYield = function(noIn) { if (!this.yieldPos) { this.yieldPos = this.start; } var node = this.startNode(); this.next(); if (this.type === types.semi || this.canInsertSemicolon() || (this.type !== types.star && !this.type.startsExpr)) { node.delegate = false; node.argument = null; } else { node.delegate = this.eat(types.star); node.argument = this.parseMaybeAssign(noIn); } return this.finishNode(node, "YieldExpression") }; pp$3.parseAwait = function() { if (!this.awaitPos) { this.awaitPos = this.start; } var node = this.startNode(); this.next(); node.argument = this.parseMaybeUnary(null, false); return this.finishNode(node, "AwaitExpression") }; var pp$4 = Parser.prototype; // This function is used to raise exceptions on parse errors. It // takes an offset integer (into the current `input`) to indicate // the location of the error, attaches the position to the end // of the error message, and then raises a `SyntaxError` with that // message. pp$4.raise = function(pos, message) { var loc = getLineInfo(this.input, pos); message += " (" + loc.line + ":" + loc.column + ")"; var err = new SyntaxError(message); err.pos = pos; err.loc = loc; err.raisedAt = this.pos; throw err }; pp$4.raiseRecoverable = pp$4.raise; pp$4.curPosition = function() { if (this.options.locations) { return new Position(this.curLine, this.pos - this.lineStart) } }; var pp$5 = Parser.prototype; var Scope = function Scope(flags) { this.flags = flags; // A list of var-declared names in the current lexical scope this.var = []; // A list of lexically-declared names in the current lexical scope this.lexical = []; // A list of lexically-declared FunctionDeclaration names in the current lexical scope this.functions = []; }; // The functions in this module keep track of declared variables in the current scope in order to detect duplicate variable names. pp$5.enterScope = function(flags) { this.scopeStack.push(new Scope(flags)); }; pp$5.exitScope = function() { this.scopeStack.pop(); }; // The spec says: // > At the top level of a function, or script, function declarations are // > treated like var declarations rather than like lexical declarations. pp$5.treatFunctionsAsVarInScope = function(scope) { return (scope.flags & SCOPE_FUNCTION) || !this.inModule && (scope.flags & SCOPE_TOP) }; pp$5.declareName = function(name, bindingType, pos) { var redeclared = false; if (bindingType === BIND_LEXICAL) { var scope = this.currentScope(); redeclared = scope.lexical.indexOf(name) > -1 || scope.functions.indexOf(name) > -1 || scope.var.indexOf(name) > -1; scope.lexical.push(name); if (this.inModule && (scope.flags & SCOPE_TOP)) { delete this.undefinedExports[name]; } } else if (bindingType === BIND_SIMPLE_CATCH) { var scope$1 = this.currentScope(); scope$1.lexical.push(name); } else if (bindingType === BIND_FUNCTION) { var scope$2 = this.currentScope(); if (this.treatFunctionsAsVar) { redeclared = scope$2.lexical.indexOf(name) > -1; } else { redeclared = scope$2.lexical.indexOf(name) > -1 || scope$2.var.indexOf(name) > -1; } scope$2.functions.push(name); } else { for (var i = this.scopeStack.length - 1; i >= 0; --i) { var scope$3 = this.scopeStack[i]; if (scope$3.lexical.indexOf(name) > -1 && !((scope$3.flags & SCOPE_SIMPLE_CATCH) && scope$3.lexical[0] === name) || !this.treatFunctionsAsVarInScope(scope$3) && scope$3.functions.indexOf(name) > -1) { redeclared = true; break } scope$3.var.push(name); if (this.inModule && (scope$3.flags & SCOPE_TOP)) { delete this.undefinedExports[name]; } if (scope$3.flags & SCOPE_VAR) { break } } } if (redeclared) { this.raiseRecoverable(pos, ("Identifier '" + name + "' has already been declared")); } }; pp$5.checkLocalExport = function(id) { // scope.functions must be empty as Module code is always strict. if (this.scopeStack[0].lexical.indexOf(id.name) === -1 && this.scopeStack[0].var.indexOf(id.name) === -1) { this.undefinedExports[id.name] = id; } }; pp$5.currentScope = function() { return this.scopeStack[this.scopeStack.length - 1] }; pp$5.currentVarScope = function() { for (var i = this.scopeStack.length - 1;; i--) { var scope = this.scopeStack[i]; if (scope.flags & SCOPE_VAR) { return scope } } }; // Could be useful for `this`, `new.target`, `super()`, `super.property`, and `super[property]`. pp$5.currentThisScope = function() { for (var i = this.scopeStack.length - 1;; i--) { var scope = this.scopeStack[i]; if (scope.flags & SCOPE_VAR && !(scope.flags & SCOPE_ARROW)) { return scope } } }; var Node = function Node(parser, pos, loc) { this.type = ""; this.start = pos; this.end = 0; if (parser.options.locations) { this.loc = new SourceLocation(parser, loc); } if (parser.options.directSourceFile) { this.sourceFile = parser.options.directSourceFile; } if (parser.options.ranges) { this.range = [pos, 0]; } }; // Start an AST node, attaching a start offset. var pp$6 = Parser.prototype; pp$6.startNode = function() { return new Node(this, this.start, this.startLoc) }; pp$6.startNodeAt = function(pos, loc) { return new Node(this, pos, loc) }; // Finish an AST node, adding `type` and `end` properties. function finishNodeAt(node, type, pos, loc) { node.type = type; node.end = pos; if (this.options.locations) { node.loc.end = loc; } if (this.options.ranges) { node.range[1] = pos; } return node } pp$6.finishNode = function(node, type) { return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc) }; // Finish node at given position pp$6.finishNodeAt = function(node, type, pos, loc) { return finishNodeAt.call(this, node, type, pos, loc) }; // The algorithm used to determine whether a regexp can appear at a var TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) { this.token = token; this.isExpr = !!isExpr; this.preserveSpace = !!preserveSpace; this.override = override; this.generator = !!generator; }; var types$1 = { b_stat: new TokContext("{", false), b_expr: new TokContext("{", true), b_tmpl: new TokContext("${", false), p_stat: new TokContext("(", false), p_expr: new TokContext("(", true), q_tmpl: new TokContext("`", true, true, function (p) { return p.tryReadTemplateToken(); }), f_stat: new TokContext("function", false), f_expr: new TokContext("function", true), f_expr_gen: new TokContext("function", true, false, null, true), f_gen: new TokContext("function", false, false, null, true) }; var pp$7 = Parser.prototype; pp$7.initialContext = function() { return [types$1.b_stat] }; pp$7.braceIsBlock = function(prevType) { var parent = this.curContext(); if (parent === types$1.f_expr || parent === types$1.f_stat) { return true } if (prevType === types.colon && (parent === types$1.b_stat || parent === types$1.b_expr)) { return !parent.isExpr } // The check for `tt.name && exprAllowed` detects whether we are // after a `yield` or `of` construct. See the `updateContext` for // `tt.name`. if (prevType === types._return || prevType === types.name && this.exprAllowed) { return lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) } if (prevType === types._else || prevType === types.semi || prevType === types.eof || prevType === types.parenR || prevType === types.arrow) { return true } if (prevType === types.braceL) { return parent === types$1.b_stat } if (prevType === types._var || prevType === types._const || prevType === types.name) { return false } return !this.exprAllowed }; pp$7.inGeneratorContext = function() { for (var i = this.context.length - 1; i >= 1; i--) { var context = this.context[i]; if (context.token === "function") { return context.generator } } return false }; pp$7.updateContext = function(prevType) { var update, type = this.type; if (type.keyword && prevType === types.dot) { this.exprAllowed = false; } else if (update = type.updateContext) { update.call(this, prevType); } else { this.exprAllowed = type.beforeExpr; } }; // Token-specific context update code types.parenR.updateContext = types.braceR.updateContext = function() { if (this.context.length === 1) { this.exprAllowed = true; return } var out = this.context.pop(); if (out === types$1.b_stat && this.curContext().token === "function") { out = this.context.pop(); } this.exprAllowed = !out.isExpr; }; types.braceL.updateContext = function(prevType) { this.context.push(this.braceIsBlock(prevType) ? types$1.b_stat : types$1.b_expr); this.exprAllowed = true; }; types.dollarBraceL.updateContext = function() { this.context.push(types$1.b_tmpl); this.exprAllowed = true; }; types.parenL.updateContext = function(prevType) { var statementParens = prevType === types._if || prevType === types._for || prevType === types._with || prevType === types._while; this.context.push(statementParens ? types$1.p_stat : types$1.p_expr); this.exprAllowed = true; }; types.incDec.updateContext = function() { // tokExprAllowed stays unchanged }; types._function.updateContext = types._class.updateContext = function(prevType) { if (prevType.beforeExpr && prevType !== types.semi && prevType !== types._else && !(prevType === types._return && lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) && !((prevType === types.colon || prevType === types.braceL) && this.curContext() === types$1.b_stat)) { this.context.push(types$1.f_expr); } else { this.context.push(types$1.f_stat); } this.exprAllowed = false; }; types.backQuote.updateContext = function() { if (this.curContext() === types$1.q_tmpl) { this.context.pop(); } else { this.context.push(types$1.q_tmpl); } this.exprAllowed = false; }; types.star.updateContext = function(prevType) { if (prevType === types._function) { var index = this.context.length - 1; if (this.context[index] === types$1.f_expr) { this.context[index] = types$1.f_expr_gen; } else { this.context[index] = types$1.f_gen; } } this.exprAllowed = true; }; types.name.updateContext = function(prevType) { var allowed = false; if (this.options.ecmaVersion >= 6 && prevType !== types.dot) { if (this.value === "of" && !this.exprAllowed || this.value === "yield" && this.inGeneratorContext()) { allowed = true; } } this.exprAllowed = allowed; }; // This file contains Unicode properties extracted from the ECMAScript // specification. The lists are extracted like so: // $$('#table-binary-unicode-properties > figure > table > tbody > tr > td:nth-child(1) code').map(el => el.innerText) // #table-binary-unicode-properties var ecma9BinaryProperties = "ASCII ASCII_Hex_Digit AHex Alphabetic Alpha Any Assigned Bidi_Control Bidi_C Bidi_Mirrored Bidi_M Case_Ignorable CI Cased Changes_When_Casefolded CWCF Changes_When_Casemapped CWCM Changes_When_Lowercased CWL Changes_When_NFKC_Casefolded CWKCF Changes_When_Titlecased CWT Changes_When_Uppercased CWU Dash Default_Ignorable_Code_Point DI Deprecated Dep Diacritic Dia Emoji Emoji_Component Emoji_Modifier Emoji_Modifier_Base Emoji_Presentation Extender Ext Grapheme_Base Gr_Base Grapheme_Extend Gr_Ext Hex_Digit Hex IDS_Binary_Operator IDSB IDS_Trinary_Operator IDST ID_Continue IDC ID_Start IDS Ideographic Ideo Join_Control Join_C Logical_Order_Exception LOE Lowercase Lower Math Noncharacter_Code_Point NChar Pattern_Syntax Pat_Syn Pattern_White_Space Pat_WS Quotation_Mark QMark Radical Regional_Indicator RI Sentence_Terminal STerm Soft_Dotted SD Terminal_Punctuation Term Unified_Ideograph UIdeo Uppercase Upper Variation_Selector VS White_Space space XID_Continue XIDC XID_Start XIDS"; var ecma10BinaryProperties = ecma9BinaryProperties + " Extended_Pictographic"; var ecma11BinaryProperties = ecma10BinaryProperties; var unicodeBinaryProperties = { 9: ecma9BinaryProperties, 10: ecma10BinaryProperties, 11: ecma11BinaryProperties }; // #table-unicode-general-category-values var unicodeGeneralCategoryValues = "Cased_Letter LC Close_Punctuation Pe Connector_Punctuation Pc Control Cc cntrl Currency_Symbol Sc Dash_Punctuation Pd Decimal_Number Nd digit Enclosing_Mark Me Final_Punctuation Pf Format Cf Initial_Punctuation Pi Letter L Letter_Number Nl Line_Separator Zl Lowercase_Letter Ll Mark M Combining_Mark Math_Symbol Sm Modifier_Letter Lm Modifier_Symbol Sk Nonspacing_Mark Mn Number N Open_Punctuation Ps Other C Other_Letter Lo Other_Number No Other_Punctuation Po Other_Symbol So Paragraph_Separator Zp Private_Use Co Punctuation P punct Separator Z Space_Separator Zs Spacing_Mark Mc Surrogate Cs Symbol S Titlecase_Letter Lt Unassigned Cn Uppercase_Letter Lu"; // #table-unicode-script-values var ecma9ScriptValues = "Adlam Adlm Ahom Ahom Anatolian_Hieroglyphs Hluw Arabic Arab Armenian Armn Avestan Avst Balinese Bali Bamum Bamu Bassa_Vah Bass Batak Batk Bengali Beng Bhaiksuki Bhks Bopomofo Bopo Brahmi Brah Braille Brai Buginese Bugi Buhid Buhd Canadian_Aboriginal Cans Carian Cari Caucasian_Albanian Aghb Chakma Cakm Cham Cham Cherokee Cher Common Zyyy Coptic Copt Qaac Cuneiform Xsux Cypriot Cprt Cyrillic Cyrl Deseret Dsrt Devanagari Deva Duployan Dupl Egyptian_Hieroglyphs Egyp Elbasan Elba Ethiopic Ethi Georgian Geor Glagolitic Glag Gothic Goth Grantha Gran Greek Grek Gujarati Gujr Gurmukhi Guru Han Hani Hangul Hang Hanunoo Hano Hatran Hatr Hebrew Hebr Hiragana Hira Imperial_Aramaic Armi Inherited Zinh Qaai Inscriptional_Pahlavi Phli Inscriptional_Parthian Prti Javanese Java Kaithi Kthi Kannada Knda Katakana Kana Kayah_Li Kali Kharoshthi Khar Khmer Khmr Khojki Khoj Khudawadi Sind Lao Laoo Latin Latn Lepcha Lepc Limbu Limb Linear_A Lina Linear_B Linb Lisu Lisu Lycian Lyci Lydian Lydi Mahajani Mahj Malayalam Mlym Mandaic Mand Manichaean Mani Marchen Marc Masaram_Gondi Gonm Meetei_Mayek Mtei Mende_Kikakui Mend Meroitic_Cursive Merc Meroitic_Hieroglyphs Mero Miao Plrd Modi Modi Mongolian Mong Mro Mroo Multani Mult Myanmar Mymr Nabataean Nbat New_Tai_Lue Talu Newa Newa Nko Nkoo Nushu Nshu Ogham Ogam Ol_Chiki Olck Old_Hungarian Hung Old_Italic Ital Old_North_Arabian Narb Old_Permic Perm Old_Persian Xpeo Old_South_Arabian Sarb Old_Turkic Orkh Oriya Orya Osage Osge Osmanya Osma Pahawh_Hmong Hmng Palmyrene Palm Pau_Cin_Hau Pauc Phags_Pa Phag Phoenician Phnx Psalter_Pahlavi Phlp Rejang Rjng Runic Runr Samaritan Samr Saurashtra Saur Sharada Shrd Shavian Shaw Siddham Sidd SignWriting Sgnw Sinhala Sinh Sora_Sompeng Sora Soyombo Soyo Sundanese Sund Syloti_Nagri Sylo Syriac Syrc Tagalog Tglg Tagbanwa Tagb Tai_Le Tale Tai_Tham Lana Tai_Viet Tavt Takri Takr Tamil Taml Tangut Tang Telugu Telu Thaana Thaa Thai Thai Tibetan Tibt Tifinagh Tfng Tirhuta Tirh Ugaritic Ugar Vai Vaii Warang_Citi Wara Yi Yiii Zanabazar_Square Zanb"; var ecma10ScriptValues = ecma9ScriptValues + " Dogra Dogr Gunjala_Gondi Gong Hanifi_Rohingya Rohg Makasar Maka Medefaidrin Medf Old_Sogdian Sogo Sogdian Sogd"; var ecma11ScriptValues = ecma10ScriptValues + " Elymaic Elym Nandinagari Nand Nyiakeng_Puachue_Hmong Hmnp Wancho Wcho"; var unicodeScriptValues = { 9: ecma9ScriptValues, 10: ecma10ScriptValues, 11: ecma11ScriptValues }; var data = {}; function buildUnicodeData(ecmaVersion) { var d = data[ecmaVersion] = { binary: wordsRegexp(unicodeBinaryProperties[ecmaVersion] + " " + unicodeGeneralCategoryValues), nonBinary: { General_Category: wordsRegexp(unicodeGeneralCategoryValues), Script: wordsRegexp(unicodeScriptValues[ecmaVersion]) } }; d.nonBinary.Script_Extensions = d.nonBinary.Script; d.nonBinary.gc = d.nonBinary.General_Category; d.nonBinary.sc = d.nonBinary.Script; d.nonBinary.scx = d.nonBinary.Script_Extensions; } buildUnicodeData(9); buildUnicodeData(10); buildUnicodeData(11); var pp$8 = Parser.prototype; var RegExpValidationState = function RegExpValidationState(parser) { this.parser = parser; this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : ""); this.unicodeProperties = data[parser.options.ecmaVersion >= 11 ? 11 : parser.options.ecmaVersion]; this.source = ""; this.flags = ""; this.start = 0; this.switchU = false; this.switchN = false; this.pos = 0; this.lastIntValue = 0; this.lastStringValue = ""; this.lastAssertionIsQuantifiable = false; this.numCapturingParens = 0; this.maxBackReference = 0; this.groupNames = []; this.backReferenceNames = []; }; RegExpValidationState.prototype.reset = function reset (start, pattern, flags) { var unicode = flags.indexOf("u") !== -1; this.start = start | 0; this.source = pattern + ""; this.flags = flags; this.switchU = unicode && this.parser.options.ecmaVersion >= 6; this.switchN = unicode && this.parser.options.ecmaVersion >= 9; }; RegExpValidationState.prototype.raise = function raise (message) { this.parser.raiseRecoverable(this.start, ("Invalid regular expression: /" + (this.source) + "/: " + message)); }; // If u flag is given, this returns the code point at the index (it combines a surrogate pair). // Otherwise, this returns the code unit of the index (can be a part of a surrogate pair). RegExpValidationState.prototype.at = function at (i, forceU) { if ( forceU === void 0 ) forceU = false; var s = this.source; var l = s.length; if (i >= l) { return -1 } var c = s.charCodeAt(i); if (!(forceU || this.switchU) || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l) { return c } var next = s.charCodeAt(i + 1); return next >= 0xDC00 && next <= 0xDFFF ? (c << 10) + next - 0x35FDC00 : c }; RegExpValidationState.prototype.nextIndex = function nextIndex (i, forceU) { if ( forceU === void 0 ) forceU = false; var s = this.source; var l = s.length; if (i >= l) { return l } var c = s.charCodeAt(i), next; if (!(forceU || this.switchU) || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l || (next = s.charCodeAt(i + 1)) < 0xDC00 || next > 0xDFFF) { return i + 1 } return i + 2 }; RegExpValidationState.prototype.current = function current (forceU) { if ( forceU === void 0 ) forceU = false; return this.at(this.pos, forceU) }; RegExpValidationState.prototype.lookahead = function lookahead (forceU) { if ( forceU === void 0 ) forceU = false; return this.at(this.nextIndex(this.pos, forceU), forceU) }; RegExpValidationState.prototype.advance = function advance (forceU) { if ( forceU === void 0 ) forceU = false; this.pos = this.nextIndex(this.pos, forceU); }; RegExpValidationState.prototype.eat = function eat (ch, forceU) { if ( forceU === void 0 ) forceU = false; if (this.current(forceU) === ch) { this.advance(forceU); return true } return false }; function codePointToString(ch) { if (ch <= 0xFFFF) { return String.fromCharCode(ch) } ch -= 0x10000; return String.fromCharCode((ch >> 10) + 0xD800, (ch & 0x03FF) + 0xDC00) } /** * Validate the flags part of a given RegExpLiteral. * * @param {RegExpValidationState} state The state to validate RegExp. * @returns {void} */ pp$8.validateRegExpFlags = function(state) { var validFlags = state.validFlags; var flags = state.flags; for (var i = 0; i < flags.length; i++) { var flag = flags.charAt(i); if (validFlags.indexOf(flag) === -1) { this.raise(state.start, "Invalid regular expression flag"); } if (flags.indexOf(flag, i + 1) > -1) { this.raise(state.start, "Duplicate regular expression flag"); } } }; /** * Validate the pattern part of a given RegExpLiteral. * * @param {RegExpValidationState} state The state to validate RegExp. * @returns {void} */ pp$8.validateRegExpPattern = function(state) { this.regexp_pattern(state); // The goal symbol for the parse is |Pattern[~U, ~N]|. If the result of // parsing contains a |GroupName|, reparse with the goal symbol // |Pattern[~U, +N]| and use this result instead. Throw a *SyntaxError* // exception if _P_ did not conform to the grammar, if any elements of _P_ // were not matched by the parse, or if any Early Error conditions exist. if (!state.switchN && this.options.ecmaVersion >= 9 && state.groupNames.length > 0) { state.switchN = true; this.regexp_pattern(state); } }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Pattern pp$8.regexp_pattern = function(state) { state.pos = 0; state.lastIntValue = 0; state.lastStringValue = ""; state.lastAssertionIsQuantifiable = false; state.numCapturingParens = 0; state.maxBackReference = 0; state.groupNames.length = 0; state.backReferenceNames.length = 0; this.regexp_disjunction(state); if (state.pos !== state.source.length) { // Make the same messages as V8. if (state.eat(0x29 /* ) */)) { state.raise("Unmatched ')'"); } if (state.eat(0x5D /* ] */) || state.eat(0x7D /* } */)) { state.raise("Lone quantifier brackets"); } } if (state.maxBackReference > state.numCapturingParens) { state.raise("Invalid escape"); } for (var i = 0, list = state.backReferenceNames; i < list.length; i += 1) { var name = list[i]; if (state.groupNames.indexOf(name) === -1) { state.raise("Invalid named capture referenced"); } } }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Disjunction pp$8.regexp_disjunction = function(state) { this.regexp_alternative(state); while (state.eat(0x7C /* | */)) { this.regexp_alternative(state); } // Make the same message as V8. if (this.regexp_eatQuantifier(state, true)) { state.raise("Nothing to repeat"); } if (state.eat(0x7B /* { */)) { state.raise("Lone quantifier brackets"); } }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Alternative pp$8.regexp_alternative = function(state) { while (state.pos < state.source.length && this.regexp_eatTerm(state)) { } }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Term pp$8.regexp_eatTerm = function(state) { if (this.regexp_eatAssertion(state)) { // Handle `QuantifiableAssertion Quantifier` alternative. // `state.lastAssertionIsQuantifiable` is true if the last eaten Assertion // is a QuantifiableAssertion. if (state.lastAssertionIsQuantifiable && this.regexp_eatQuantifier(state)) { // Make the same message as V8. if (state.switchU) { state.raise("Invalid quantifier"); } } return true } if (state.switchU ? this.regexp_eatAtom(state) : this.regexp_eatExtendedAtom(state)) { this.regexp_eatQuantifier(state); return true } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Assertion pp$8.regexp_eatAssertion = function(state) { var start = state.pos; state.lastAssertionIsQuantifiable = false; // ^, $ if (state.eat(0x5E /* ^ */) || state.eat(0x24 /* $ */)) { return true } // \b \B if (state.eat(0x5C /* \ */)) { if (state.eat(0x42 /* B */) || state.eat(0x62 /* b */)) { return true } state.pos = start; } // Lookahead / Lookbehind if (state.eat(0x28 /* ( */) && state.eat(0x3F /* ? */)) { var lookbehind = false; if (this.options.ecmaVersion >= 9) { lookbehind = state.eat(0x3C /* < */); } if (state.eat(0x3D /* = */) || state.eat(0x21 /* ! */)) { this.regexp_disjunction(state); if (!state.eat(0x29 /* ) */)) { state.raise("Unterminated group"); } state.lastAssertionIsQuantifiable = !lookbehind; return true } } state.pos = start; return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Quantifier pp$8.regexp_eatQuantifier = function(state, noError) { if ( noError === void 0 ) noError = false; if (this.regexp_eatQuantifierPrefix(state, noError)) { state.eat(0x3F /* ? */); return true } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-QuantifierPrefix pp$8.regexp_eatQuantifierPrefix = function(state, noError) { return ( state.eat(0x2A /* * */) || state.eat(0x2B /* + */) || state.eat(0x3F /* ? */) || this.regexp_eatBracedQuantifier(state, noError) ) }; pp$8.regexp_eatBracedQuantifier = function(state, noError) { var start = state.pos; if (state.eat(0x7B /* { */)) { var min = 0, max = -1; if (this.regexp_eatDecimalDigits(state)) { min = state.lastIntValue; if (state.eat(0x2C /* , */) && this.regexp_eatDecimalDigits(state)) { max = state.lastIntValue; } if (state.eat(0x7D /* } */)) { // SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-term if (max !== -1 && max < min && !noError) { state.raise("numbers out of order in {} quantifier"); } return true } } if (state.switchU && !noError) { state.raise("Incomplete quantifier"); } state.pos = start; } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Atom pp$8.regexp_eatAtom = function(state) { return ( this.regexp_eatPatternCharacters(state) || state.eat(0x2E /* . */) || this.regexp_eatReverseSolidusAtomEscape(state) || this.regexp_eatCharacterClass(state) || this.regexp_eatUncapturingGroup(state) || this.regexp_eatCapturingGroup(state) ) }; pp$8.regexp_eatReverseSolidusAtomEscape = function(state) { var start = state.pos; if (state.eat(0x5C /* \ */)) { if (this.regexp_eatAtomEscape(state)) { return true } state.pos = start; } return false }; pp$8.regexp_eatUncapturingGroup = function(state) { var start = state.pos; if (state.eat(0x28 /* ( */)) { if (state.eat(0x3F /* ? */) && state.eat(0x3A /* : */)) { this.regexp_disjunction(state); if (state.eat(0x29 /* ) */)) { return true } state.raise("Unterminated group"); } state.pos = start; } return false }; pp$8.regexp_eatCapturingGroup = function(state) { if (state.eat(0x28 /* ( */)) { if (this.options.ecmaVersion >= 9) { this.regexp_groupSpecifier(state); } else if (state.current() === 0x3F /* ? */) { state.raise("Invalid group"); } this.regexp_disjunction(state); if (state.eat(0x29 /* ) */)) { state.numCapturingParens += 1; return true } state.raise("Unterminated group"); } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedAtom pp$8.regexp_eatExtendedAtom = function(state) { return ( state.eat(0x2E /* . */) || this.regexp_eatReverseSolidusAtomEscape(state) || this.regexp_eatCharacterClass(state) || this.regexp_eatUncapturingGroup(state) || this.regexp_eatCapturingGroup(state) || this.regexp_eatInvalidBracedQuantifier(state) || this.regexp_eatExtendedPatternCharacter(state) ) }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-InvalidBracedQuantifier pp$8.regexp_eatInvalidBracedQuantifier = function(state) { if (this.regexp_eatBracedQuantifier(state, true)) { state.raise("Nothing to repeat"); } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-SyntaxCharacter pp$8.regexp_eatSyntaxCharacter = function(state) { var ch = state.current(); if (isSyntaxCharacter(ch)) { state.lastIntValue = ch; state.advance(); return true } return false }; function isSyntaxCharacter(ch) { return ( ch === 0x24 /* $ */ || ch >= 0x28 /* ( */ && ch <= 0x2B /* + */ || ch === 0x2E /* . */ || ch === 0x3F /* ? */ || ch >= 0x5B /* [ */ && ch <= 0x5E /* ^ */ || ch >= 0x7B /* { */ && ch <= 0x7D /* } */ ) } // https://www.ecma-international.org/ecma-262/8.0/#prod-PatternCharacter // But eat eager. pp$8.regexp_eatPatternCharacters = function(state) { var start = state.pos; var ch = 0; while ((ch = state.current()) !== -1 && !isSyntaxCharacter(ch)) { state.advance(); } return state.pos !== start }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedPatternCharacter pp$8.regexp_eatExtendedPatternCharacter = function(state) { var ch = state.current(); if ( ch !== -1 && ch !== 0x24 /* $ */ && !(ch >= 0x28 /* ( */ && ch <= 0x2B /* + */) && ch !== 0x2E /* . */ && ch !== 0x3F /* ? */ && ch !== 0x5B /* [ */ && ch !== 0x5E /* ^ */ && ch !== 0x7C /* | */ ) { state.advance(); return true } return false }; // GroupSpecifier :: // [empty] // `?` GroupName pp$8.regexp_groupSpecifier = function(state) { if (state.eat(0x3F /* ? */)) { if (this.regexp_eatGroupName(state)) { if (state.groupNames.indexOf(state.lastStringValue) !== -1) { state.raise("Duplicate capture group name"); } state.groupNames.push(state.lastStringValue); return } state.raise("Invalid group"); } }; // GroupName :: // `<` RegExpIdentifierName `>` // Note: this updates `state.lastStringValue` property with the eaten name. pp$8.regexp_eatGroupName = function(state) { state.lastStringValue = ""; if (state.eat(0x3C /* < */)) { if (this.regexp_eatRegExpIdentifierName(state) && state.eat(0x3E /* > */)) { return true } state.raise("Invalid capture group name"); } return false }; // RegExpIdentifierName :: // RegExpIdentifierStart // RegExpIdentifierName RegExpIdentifierPart // Note: this updates `state.lastStringValue` property with the eaten name. pp$8.regexp_eatRegExpIdentifierName = function(state) { state.lastStringValue = ""; if (this.regexp_eatRegExpIdentifierStart(state)) { state.lastStringValue += codePointToString(state.lastIntValue); while (this.regexp_eatRegExpIdentifierPart(state)) { state.lastStringValue += codePointToString(state.lastIntValue); } return true } return false }; // RegExpIdentifierStart :: // UnicodeIDStart // `$` // `_` // `\` RegExpUnicodeEscapeSequence[+U] pp$8.regexp_eatRegExpIdentifierStart = function(state) { var start = state.pos; var forceU = this.options.ecmaVersion >= 11; var ch = state.current(forceU); state.advance(forceU); if (ch === 0x5C /* \ */ && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) { ch = state.lastIntValue; } if (isRegExpIdentifierStart(ch)) { state.lastIntValue = ch; return true } state.pos = start; return false }; function isRegExpIdentifierStart(ch) { return isIdentifierStart(ch, true) || ch === 0x24 /* $ */ || ch === 0x5F /* _ */ } // RegExpIdentifierPart :: // UnicodeIDContinue // `$` // `_` // `\` RegExpUnicodeEscapeSequence[+U] // // pp$8.regexp_eatRegExpIdentifierPart = function(state) { var start = state.pos; var forceU = this.options.ecmaVersion >= 11; var ch = state.current(forceU); state.advance(forceU); if (ch === 0x5C /* \ */ && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) { ch = state.lastIntValue; } if (isRegExpIdentifierPart(ch)) { state.lastIntValue = ch; return true } state.pos = start; return false }; function isRegExpIdentifierPart(ch) { return isIdentifierChar(ch, true) || ch === 0x24 /* $ */ || ch === 0x5F /* _ */ || ch === 0x200C /* */ || ch === 0x200D /* */ } // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-AtomEscape pp$8.regexp_eatAtomEscape = function(state) { if ( this.regexp_eatBackReference(state) || this.regexp_eatCharacterClassEscape(state) || this.regexp_eatCharacterEscape(state) || (state.switchN && this.regexp_eatKGroupName(state)) ) { return true } if (state.switchU) { // Make the same message as V8. if (state.current() === 0x63 /* c */) { state.raise("Invalid unicode escape"); } state.raise("Invalid escape"); } return false }; pp$8.regexp_eatBackReference = function(state) { var start = state.pos; if (this.regexp_eatDecimalEscape(state)) { var n = state.lastIntValue; if (state.switchU) { // For SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-atomescape if (n > state.maxBackReference) { state.maxBackReference = n; } return true } if (n <= state.numCapturingParens) { return true } state.pos = start; } return false }; pp$8.regexp_eatKGroupName = function(state) { if (state.eat(0x6B /* k */)) { if (this.regexp_eatGroupName(state)) { state.backReferenceNames.push(state.lastStringValue); return true } state.raise("Invalid named reference"); } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-CharacterEscape pp$8.regexp_eatCharacterEscape = function(state) { return ( this.regexp_eatControlEscape(state) || this.regexp_eatCControlLetter(state) || this.regexp_eatZero(state) || this.regexp_eatHexEscapeSequence(state) || this.regexp_eatRegExpUnicodeEscapeSequence(state, false) || (!state.switchU && this.regexp_eatLegacyOctalEscapeSequence(state)) || this.regexp_eatIdentityEscape(state) ) }; pp$8.regexp_eatCControlLetter = function(state) { var start = state.pos; if (state.eat(0x63 /* c */)) { if (this.regexp_eatControlLetter(state)) { return true } state.pos = start; } return false }; pp$8.regexp_eatZero = function(state) { if (state.current() === 0x30 /* 0 */ && !isDecimalDigit(state.lookahead())) { state.lastIntValue = 0; state.advance(); return true } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-ControlEscape pp$8.regexp_eatControlEscape = function(state) { var ch = state.current(); if (ch === 0x74 /* t */) { state.lastIntValue = 0x09; /* \t */ state.advance(); return true } if (ch === 0x6E /* n */) { state.lastIntValue = 0x0A; /* \n */ state.advance(); return true } if (ch === 0x76 /* v */) { state.lastIntValue = 0x0B; /* \v */ state.advance(); return true } if (ch === 0x66 /* f */) { state.lastIntValue = 0x0C; /* \f */ state.advance(); return true } if (ch === 0x72 /* r */) { state.lastIntValue = 0x0D; /* \r */ state.advance(); return true } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-ControlLetter pp$8.regexp_eatControlLetter = function(state) { var ch = state.current(); if (isControlLetter(ch)) { state.lastIntValue = ch % 0x20; state.advance(); return true } return false }; function isControlLetter(ch) { return ( (ch >= 0x41 /* A */ && ch <= 0x5A /* Z */) || (ch >= 0x61 /* a */ && ch <= 0x7A /* z */) ) } // https://www.ecma-international.org/ecma-262/8.0/#prod-RegExpUnicodeEscapeSequence pp$8.regexp_eatRegExpUnicodeEscapeSequence = function(state, forceU) { if ( forceU === void 0 ) forceU = false; var start = state.pos; var switchU = forceU || state.switchU; if (state.eat(0x75 /* u */)) { if (this.regexp_eatFixedHexDigits(state, 4)) { var lead = state.lastIntValue; if (switchU && lead >= 0xD800 && lead <= 0xDBFF) { var leadSurrogateEnd = state.pos; if (state.eat(0x5C /* \ */) && state.eat(0x75 /* u */) && this.regexp_eatFixedHexDigits(state, 4)) { var trail = state.lastIntValue; if (trail >= 0xDC00 && trail <= 0xDFFF) { state.lastIntValue = (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000; return true } } state.pos = leadSurrogateEnd; state.lastIntValue = lead; } return true } if ( switchU && state.eat(0x7B /* { */) && this.regexp_eatHexDigits(state) && state.eat(0x7D /* } */) && isValidUnicode(state.lastIntValue) ) { return true } if (switchU) { state.raise("Invalid unicode escape"); } state.pos = start; } return false }; function isValidUnicode(ch) { return ch >= 0 && ch <= 0x10FFFF } // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-IdentityEscape pp$8.regexp_eatIdentityEscape = function(state) { if (state.switchU) { if (this.regexp_eatSyntaxCharacter(state)) { return true } if (state.eat(0x2F /* / */)) { state.lastIntValue = 0x2F; /* / */ return true } return false } var ch = state.current(); if (ch !== 0x63 /* c */ && (!state.switchN || ch !== 0x6B /* k */)) { state.lastIntValue = ch; state.advance(); return true } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalEscape pp$8.regexp_eatDecimalEscape = function(state) { state.lastIntValue = 0; var ch = state.current(); if (ch >= 0x31 /* 1 */ && ch <= 0x39 /* 9 */) { do { state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 /* 0 */); state.advance(); } while ((ch = state.current()) >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */) return true } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClassEscape pp$8.regexp_eatCharacterClassEscape = function(state) { var ch = state.current(); if (isCharacterClassEscape(ch)) { state.lastIntValue = -1; state.advance(); return true } if ( state.switchU && this.options.ecmaVersion >= 9 && (ch === 0x50 /* P */ || ch === 0x70 /* p */) ) { state.lastIntValue = -1; state.advance(); if ( state.eat(0x7B /* { */) && this.regexp_eatUnicodePropertyValueExpression(state) && state.eat(0x7D /* } */) ) { return true } state.raise("Invalid property name"); } return false }; function isCharacterClassEscape(ch) { return ( ch === 0x64 /* d */ || ch === 0x44 /* D */ || ch === 0x73 /* s */ || ch === 0x53 /* S */ || ch === 0x77 /* w */ || ch === 0x57 /* W */ ) } // UnicodePropertyValueExpression :: // UnicodePropertyName `=` UnicodePropertyValue // LoneUnicodePropertyNameOrValue pp$8.regexp_eatUnicodePropertyValueExpression = function(state) { var start = state.pos; // UnicodePropertyName `=` UnicodePropertyValue if (this.regexp_eatUnicodePropertyName(state) && state.eat(0x3D /* = */)) { var name = state.lastStringValue; if (this.regexp_eatUnicodePropertyValue(state)) { var value = state.lastStringValue; this.regexp_validateUnicodePropertyNameAndValue(state, name, value); return true } } state.pos = start; // LoneUnicodePropertyNameOrValue if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) { var nameOrValue = state.lastStringValue; this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue); return true } return false }; pp$8.regexp_validateUnicodePropertyNameAndValue = function(state, name, value) { if (!has(state.unicodeProperties.nonBinary, name)) { state.raise("Invalid property name"); } if (!state.unicodeProperties.nonBinary[name].test(value)) { state.raise("Invalid property value"); } }; pp$8.regexp_validateUnicodePropertyNameOrValue = function(state, nameOrValue) { if (!state.unicodeProperties.binary.test(nameOrValue)) { state.raise("Invalid property name"); } }; // UnicodePropertyName :: // UnicodePropertyNameCharacters pp$8.regexp_eatUnicodePropertyName = function(state) { var ch = 0; state.lastStringValue = ""; while (isUnicodePropertyNameCharacter(ch = state.current())) { state.lastStringValue += codePointToString(ch); state.advance(); } return state.lastStringValue !== "" }; function isUnicodePropertyNameCharacter(ch) { return isControlLetter(ch) || ch === 0x5F /* _ */ } // UnicodePropertyValue :: // UnicodePropertyValueCharacters pp$8.regexp_eatUnicodePropertyValue = function(state) { var ch = 0; state.lastStringValue = ""; while (isUnicodePropertyValueCharacter(ch = state.current())) { state.lastStringValue += codePointToString(ch); state.advance(); } return state.lastStringValue !== "" }; function isUnicodePropertyValueCharacter(ch) { return isUnicodePropertyNameCharacter(ch) || isDecimalDigit(ch) } // LoneUnicodePropertyNameOrValue :: // UnicodePropertyValueCharacters pp$8.regexp_eatLoneUnicodePropertyNameOrValue = function(state) { return this.regexp_eatUnicodePropertyValue(state) }; // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClass pp$8.regexp_eatCharacterClass = function(state) { if (state.eat(0x5B /* [ */)) { state.eat(0x5E /* ^ */); this.regexp_classRanges(state); if (state.eat(0x5D /* ] */)) { return true } // Unreachable since it threw "unterminated regular expression" error before. state.raise("Unterminated character class"); } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassRanges // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRanges // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRangesNoDash pp$8.regexp_classRanges = function(state) { while (this.regexp_eatClassAtom(state)) { var left = state.lastIntValue; if (state.eat(0x2D /* - */) && this.regexp_eatClassAtom(state)) { var right = state.lastIntValue; if (state.switchU && (left === -1 || right === -1)) { state.raise("Invalid character class"); } if (left !== -1 && right !== -1 && left > right) { state.raise("Range out of order in character class"); } } } }; // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtom // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtomNoDash pp$8.regexp_eatClassAtom = function(state) { var start = state.pos; if (state.eat(0x5C /* \ */)) { if (this.regexp_eatClassEscape(state)) { return true } if (state.switchU) { // Make the same message as V8. var ch$1 = state.current(); if (ch$1 === 0x63 /* c */ || isOctalDigit(ch$1)) { state.raise("Invalid class escape"); } state.raise("Invalid escape"); } state.pos = start; } var ch = state.current(); if (ch !== 0x5D /* ] */) { state.lastIntValue = ch; state.advance(); return true } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassEscape pp$8.regexp_eatClassEscape = function(state) { var start = state.pos; if (state.eat(0x62 /* b */)) { state.lastIntValue = 0x08; /* */ return true } if (state.switchU && state.eat(0x2D /* - */)) { state.lastIntValue = 0x2D; /* - */ return true } if (!state.switchU && state.eat(0x63 /* c */)) { if (this.regexp_eatClassControlLetter(state)) { return true } state.pos = start; } return ( this.regexp_eatCharacterClassEscape(state) || this.regexp_eatCharacterEscape(state) ) }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassControlLetter pp$8.regexp_eatClassControlLetter = function(state) { var ch = state.current(); if (isDecimalDigit(ch) || ch === 0x5F /* _ */) { state.lastIntValue = ch % 0x20; state.advance(); return true } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence pp$8.regexp_eatHexEscapeSequence = function(state) { var start = state.pos; if (state.eat(0x78 /* x */)) { if (this.regexp_eatFixedHexDigits(state, 2)) { return true } if (state.switchU) { state.raise("Invalid escape"); } state.pos = start; } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalDigits pp$8.regexp_eatDecimalDigits = function(state) { var start = state.pos; var ch = 0; state.lastIntValue = 0; while (isDecimalDigit(ch = state.current())) { state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 /* 0 */); state.advance(); } return state.pos !== start }; function isDecimalDigit(ch) { return ch >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */ } // https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigits pp$8.regexp_eatHexDigits = function(state) { var start = state.pos; var ch = 0; state.lastIntValue = 0; while (isHexDigit(ch = state.current())) { state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); state.advance(); } return state.pos !== start }; function isHexDigit(ch) { return ( (ch >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */) || (ch >= 0x41 /* A */ && ch <= 0x46 /* F */) || (ch >= 0x61 /* a */ && ch <= 0x66 /* f */) ) } function hexToInt(ch) { if (ch >= 0x41 /* A */ && ch <= 0x46 /* F */) { return 10 + (ch - 0x41 /* A */) } if (ch >= 0x61 /* a */ && ch <= 0x66 /* f */) { return 10 + (ch - 0x61 /* a */) } return ch - 0x30 /* 0 */ } // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-LegacyOctalEscapeSequence // Allows only 0-377(octal) i.e. 0-255(decimal). pp$8.regexp_eatLegacyOctalEscapeSequence = function(state) { if (this.regexp_eatOctalDigit(state)) { var n1 = state.lastIntValue; if (this.regexp_eatOctalDigit(state)) { var n2 = state.lastIntValue; if (n1 <= 3 && this.regexp_eatOctalDigit(state)) { state.lastIntValue = n1 * 64 + n2 * 8 + state.lastIntValue; } else { state.lastIntValue = n1 * 8 + n2; } } else { state.lastIntValue = n1; } return true } return false }; // https://www.ecma-international.org/ecma-262/8.0/#prod-OctalDigit pp$8.regexp_eatOctalDigit = function(state) { var ch = state.current(); if (isOctalDigit(ch)) { state.lastIntValue = ch - 0x30; /* 0 */ state.advance(); return true } state.lastIntValue = 0; return false }; function isOctalDigit(ch) { return ch >= 0x30 /* 0 */ && ch <= 0x37 /* 7 */ } // https://www.ecma-international.org/ecma-262/8.0/#prod-Hex4Digits // https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigit // And HexDigit HexDigit in https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence pp$8.regexp_eatFixedHexDigits = function(state, length) { var start = state.pos; state.lastIntValue = 0; for (var i = 0; i < length; ++i) { var ch = state.current(); if (!isHexDigit(ch)) { state.pos = start; return false } state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); state.advance(); } return true }; // Object type used to represent tokens. Note that normally, tokens // simply exist as properties on the parser object. This is only // used for the onToken callback and the external tokenizer. var Token = function Token(p) { this.type = p.type; this.value = p.value; this.start = p.start; this.end = p.end; if (p.options.locations) { this.loc = new SourceLocation(p, p.startLoc, p.endLoc); } if (p.options.ranges) { this.range = [p.start, p.end]; } }; // ## Tokenizer var pp$9 = Parser.prototype; // Move to the next token pp$9.next = function(ignoreEscapeSequenceInKeyword) { if (!ignoreEscapeSequenceInKeyword && this.type.keyword && this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword " + this.type.keyword); } if (this.options.onToken) { this.options.onToken(new Token(this)); } this.lastTokEnd = this.end; this.lastTokStart = this.start; this.lastTokEndLoc = this.endLoc; this.lastTokStartLoc = this.startLoc; this.nextToken(); }; pp$9.getToken = function() { this.next(); return new Token(this) }; // If we're in an ES6 environment, make parsers iterable if (typeof Symbol !== "undefined") { pp$9[Symbol.iterator] = function() { var this$1 = this; return { next: function () { var token = this$1.getToken(); return { done: token.type === types.eof, value: token } } } }; } // Toggle strict mode. Re-reads the next number or string to please // pedantic tests (`"use strict"; 010;` should fail). pp$9.curContext = function() { return this.context[this.context.length - 1] }; // Read a single token, updating the parser object's token-related // properties. pp$9.nextToken = function() { var curContext = this.curContext(); if (!curContext || !curContext.preserveSpace) { this.skipSpace(); } this.start = this.pos; if (this.options.locations) { this.startLoc = this.curPosition(); } if (this.pos >= this.input.length) { return this.finishToken(types.eof) } if (curContext.override) { return curContext.override(this) } else { this.readToken(this.fullCharCodeAtPos()); } }; pp$9.readToken = function(code) { // Identifier or keyword. '\uXXXX' sequences are allowed in // identifiers, so '\' also dispatches to that. if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 /* '\' */) { return this.readWord() } return this.getTokenFromCode(code) }; pp$9.fullCharCodeAtPos = function() { var code = this.input.charCodeAt(this.pos); if (code <= 0xd7ff || code >= 0xe000) { return code } var next = this.input.charCodeAt(this.pos + 1); return (code << 10) + next - 0x35fdc00 }; pp$9.skipBlockComment = function() { var startLoc = this.options.onComment && this.curPosition(); var start = this.pos, end = this.input.indexOf("*/", this.pos += 2); if (end === -1) { this.raise(this.pos - 2, "Unterminated comment"); } this.pos = end + 2; if (this.options.locations) { lineBreakG.lastIndex = start; var match; while ((match = lineBreakG.exec(this.input)) && match.index < this.pos) { ++this.curLine; this.lineStart = match.index + match[0].length; } } if (this.options.onComment) { this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos, startLoc, this.curPosition()); } }; pp$9.skipLineComment = function(startSkip) { var start = this.pos; var startLoc = this.options.onComment && this.curPosition(); var ch = this.input.charCodeAt(this.pos += startSkip); while (this.pos < this.input.length && !isNewLine(ch)) { ch = this.input.charCodeAt(++this.pos); } if (this.options.onComment) { this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos, startLoc, this.curPosition()); } }; // Called at the start of the parse and after every token. Skips // whitespace and comments, and. pp$9.skipSpace = function() { loop: while (this.pos < this.input.length) { var ch = this.input.charCodeAt(this.pos); switch (ch) { case 32: case 160: // ' ' ++this.pos; break case 13: if (this.input.charCodeAt(this.pos + 1) === 10) { ++this.pos; } case 10: case 8232: case 8233: ++this.pos; if (this.options.locations) { ++this.curLine; this.lineStart = this.pos; } break case 47: // '/' switch (this.input.charCodeAt(this.pos + 1)) { case 42: // '*' this.skipBlockComment(); break case 47: this.skipLineComment(2); break default: break loop } break default: if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) { ++this.pos; } else { break loop } } } }; // Called at the end of every token. Sets `end`, `val`, and // maintains `context` and `exprAllowed`, and skips the space after // the token, so that the next one's `start` will point at the // right position. pp$9.finishToken = function(type, val) { this.end = this.pos; if (this.options.locations) { this.endLoc = this.curPosition(); } var prevType = this.type; this.type = type; this.value = val; this.updateContext(prevType); }; // ### Token reading // This is the function that is called to fetch the next token. It // is somewhat obscure, because it works in character codes rather // than characters, and because operator parsing has been inlined // into it. // // All in the name of speed. // pp$9.readToken_dot = function() { var next = this.input.charCodeAt(this.pos + 1); if (next >= 48 && next <= 57) { return this.readNumber(true) } var next2 = this.input.charCodeAt(this.pos + 2); if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) { // 46 = dot '.' this.pos += 3; return this.finishToken(types.ellipsis) } else { ++this.pos; return this.finishToken(types.dot) } }; pp$9.readToken_slash = function() { // '/' var next = this.input.charCodeAt(this.pos + 1); if (this.exprAllowed) { ++this.pos; return this.readRegexp() } if (next === 61) { return this.finishOp(types.assign, 2) } return this.finishOp(types.slash, 1) }; pp$9.readToken_mult_modulo_exp = function(code) { // '%*' var next = this.input.charCodeAt(this.pos + 1); var size = 1; var tokentype = code === 42 ? types.star : types.modulo; // exponentiation operator ** and **= if (this.options.ecmaVersion >= 7 && code === 42 && next === 42) { ++size; tokentype = types.starstar; next = this.input.charCodeAt(this.pos + 2); } if (next === 61) { return this.finishOp(types.assign, size + 1) } return this.finishOp(tokentype, size) }; pp$9.readToken_pipe_amp = function(code) { // '|&' var next = this.input.charCodeAt(this.pos + 1); if (next === code) { if (this.options.ecmaVersion >= 12) { var next2 = this.input.charCodeAt(this.pos + 2); if (next2 === 61) { return this.finishOp(types.assign, 3) } } return this.finishOp(code === 124 ? types.logicalOR : types.logicalAND, 2) } if (next === 61) { return this.finishOp(types.assign, 2) } return this.finishOp(code === 124 ? types.bitwiseOR : types.bitwiseAND, 1) }; pp$9.readToken_caret = function() { // '^' var next = this.input.charCodeAt(this.pos + 1); if (next === 61) { return this.finishOp(types.assign, 2) } return this.finishOp(types.bitwiseXOR, 1) }; pp$9.readToken_plus_min = function(code) { // '+-' var next = this.input.charCodeAt(this.pos + 1); if (next === code) { if (next === 45 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 62 && (this.lastTokEnd === 0 || lineBreak.test(this.input.slice(this.lastTokEnd, this.pos)))) { // A `-->` line comment this.skipLineComment(3); this.skipSpace(); return this.nextToken() } return this.finishOp(types.incDec, 2) } if (next === 61) { return this.finishOp(types.assign, 2) } return this.finishOp(types.plusMin, 1) }; pp$9.readToken_lt_gt = function(code) { // '<>' var next = this.input.charCodeAt(this.pos + 1); var size = 1; if (next === code) { size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2; if (this.input.charCodeAt(this.pos + size) === 61) { return this.finishOp(types.assign, size + 1) } return this.finishOp(types.bitShift, size) } if (next === 33 && code === 60 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 45 && this.input.charCodeAt(this.pos + 3) === 45) { // ` ES5. Everything in here should be * standards compliant old-school JavaScript, with * the exception of the require() function. */ var React = require('react'); var ReactDOM = require('react-dom'); var IdyllDocument = require('idyll-document').default; var mountNode = document.getElementById('idyll-mount'); // Included only so that VegaLite will // work properly with our ecosystem. require('regenerator-runtime/runtime'); var ast = require('__IDYLL_AST__'); var components = require('__IDYLL_COMPONENTS__'); var datasets = require('__IDYLL_DATA__'); require('__IDYLL_SYNTAX_HIGHLIGHT__'); var opts = require('__IDYLL_OPTS__'); var layout = opts.layout; var theme = opts.theme; var authorView = opts.authorView; var context = require('__IDYLL_CONTEXT__'); var mountMethod = opts.ssr ? 'hydrate' : 'render'; ReactDOM[mountMethod]( React.createElement(IdyllDocument, { ast: ast, components: components, context: context, datasets: datasets, layout: layout, theme: theme, authorView: authorView }), mountNode ); },{"__IDYLL_AST__":"__IDYLL_AST__","__IDYLL_COMPONENTS__":"__IDYLL_COMPONENTS__","__IDYLL_CONTEXT__":"__IDYLL_CONTEXT__","__IDYLL_DATA__":"__IDYLL_DATA__","__IDYLL_OPTS__":"__IDYLL_OPTS__","__IDYLL_SYNTAX_HIGHLIGHT__":"__IDYLL_SYNTAX_HIGHLIGHT__","idyll-document":"/Users/cuixueying/Final445/node_modules/idyll-document/dist/cjs/index.js","react":"react","react-dom":"react-dom","regenerator-runtime/runtime":"/Users/cuixueying/Final445/node_modules/regenerator-runtime/runtime.js"}],"/Users/cuixueying/Final445/node_modules/ieee754/index.js":[function(require,module,exports){ /*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh */ exports.read = function (buffer, offset, isLE, mLen, nBytes) { var e, m var eLen = (nBytes * 8) - mLen - 1 var eMax = (1 << eLen) - 1 var eBias = eMax >> 1 var nBits = -7 var i = isLE ? (nBytes - 1) : 0 var d = isLE ? -1 : 1 var s = buffer[offset + i] i += d e = s & ((1 << (-nBits)) - 1) s >>= (-nBits) nBits += eLen for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {} m = e & ((1 << (-nBits)) - 1) e >>= (-nBits) nBits += mLen for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {} if (e === 0) { e = 1 - eBias } else if (e === eMax) { return m ? NaN : ((s ? -1 : 1) * Infinity) } else { m = m + Math.pow(2, mLen) e = e - eBias } return (s ? -1 : 1) * m * Math.pow(2, e - mLen) } exports.write = function (buffer, value, offset, isLE, mLen, nBytes) { var e, m, c var eLen = (nBytes * 8) - mLen - 1 var eMax = (1 << eLen) - 1 var eBias = eMax >> 1 var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0) var i = isLE ? 0 : (nBytes - 1) var d = isLE ? 1 : -1 var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0 value = Math.abs(value) if (isNaN(value) || value === Infinity) { m = isNaN(value) ? 1 : 0 e = eMax } else { e = Math.floor(Math.log(value) / Math.LN2) if (value * (c = Math.pow(2, -e)) < 1) { e-- c *= 2 } if (e + eBias >= 1) { value += rt / c } else { value += rt * Math.pow(2, 1 - eBias) } if (value * c >= 2) { e++ c /= 2 } if (e + eBias >= eMax) { m = 0 e = eMax } else if (e + eBias >= 1) { m = ((value * c) - 1) * Math.pow(2, mLen) e = e + eBias } else { m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen) e = 0 } } for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} e = (e << mLen) | m eLen += mLen for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} buffer[offset + i - d] |= s * 128 } },{}],"/Users/cuixueying/Final445/node_modules/inherits/inherits_browser.js":[function(require,module,exports){ if (typeof Object.create === 'function') { // implementation from standard node.js 'util' module module.exports = function inherits(ctor, superCtor) { if (superCtor) { ctor.super_ = superCtor ctor.prototype = Object.create(superCtor.prototype, { constructor: { value: ctor, enumerable: false, writable: true, configurable: true } }) } }; } else { // old school shim for old browsers module.exports = function inherits(ctor, superCtor) { if (superCtor) { ctor.super_ = superCtor var TempCtor = function () {} TempCtor.prototype = superCtor.prototype ctor.prototype = new TempCtor() ctor.prototype.constructor = ctor } } } },{}],"/Users/cuixueying/Final445/node_modules/is-arguments/index.js":[function(require,module,exports){ 'use strict'; var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; var callBound = require('call-bind/callBound'); var $toString = callBound('Object.prototype.toString'); var isStandardArguments = function isArguments(value) { if (hasToStringTag && value && typeof value === 'object' && Symbol.toStringTag in value) { return false; } return $toString(value) === '[object Arguments]'; }; var isLegacyArguments = function isArguments(value) { if (isStandardArguments(value)) { return true; } return value !== null && typeof value === 'object' && typeof value.length === 'number' && value.length >= 0 && $toString(value) !== '[object Array]' && $toString(value.callee) === '[object Function]'; }; var supportsStandardArguments = (function () { return isStandardArguments(arguments); }()); isStandardArguments.isLegacyArguments = isLegacyArguments; // for tests module.exports = supportsStandardArguments ? isStandardArguments : isLegacyArguments; },{"call-bind/callBound":"/Users/cuixueying/Final445/node_modules/call-bind/callBound.js"}],"/Users/cuixueying/Final445/node_modules/is-extendable/index.js":[function(require,module,exports){ /*! * is-extendable * * Copyright (c) 2015, Jon Schlinkert. * Licensed under the MIT License. */ 'use strict'; module.exports = function isExtendable(val) { return typeof val !== 'undefined' && val !== null && (typeof val === 'object' || typeof val === 'function'); }; },{}],"/Users/cuixueying/Final445/node_modules/is-generator-function/index.js":[function(require,module,exports){ 'use strict'; var toStr = Object.prototype.toString; var fnToStr = Function.prototype.toString; var isFnRegex = /^\s*(?:function)?\*/; var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; var getProto = Object.getPrototypeOf; var getGeneratorFunc = function () { // eslint-disable-line consistent-return if (!hasToStringTag) { return false; } try { return Function('return function*() {}')(); } catch (e) { } }; var GeneratorFunction; module.exports = function isGeneratorFunction(fn) { if (typeof fn !== 'function') { return false; } if (isFnRegex.test(fnToStr.call(fn))) { return true; } if (!hasToStringTag) { var str = toStr.call(fn); return str === '[object GeneratorFunction]'; } if (!getProto) { return false; } if (typeof GeneratorFunction === 'undefined') { var generatorFunc = getGeneratorFunc(); GeneratorFunction = generatorFunc ? getProto(generatorFunc) : false; } return getProto(fn) === GeneratorFunction; }; },{}],"/Users/cuixueying/Final445/node_modules/is-lower-case/is-lower-case.js":[function(require,module,exports){ var lowerCase = require('lower-case') /** * Check if a string is lower case. * * @param {String} string * @param {String} [locale] * @return {Boolean} */ module.exports = function (string, locale) { return lowerCase(string, locale) === string } },{"lower-case":"/Users/cuixueying/Final445/node_modules/lower-case/lower-case.js"}],"/Users/cuixueying/Final445/node_modules/is-typed-array/index.js":[function(require,module,exports){ (function (global){(function (){ 'use strict'; var forEach = require('foreach'); var availableTypedArrays = require('available-typed-arrays'); var callBound = require('call-bind/callBound'); var $toString = callBound('Object.prototype.toString'); var hasSymbols = require('has-symbols')(); var hasToStringTag = hasSymbols && typeof Symbol.toStringTag === 'symbol'; var typedArrays = availableTypedArrays(); var $indexOf = callBound('Array.prototype.indexOf', true) || function indexOf(array, value) { for (var i = 0; i < array.length; i += 1) { if (array[i] === value) { return i; } } return -1; }; var $slice = callBound('String.prototype.slice'); var toStrTags = {}; var gOPD = require('es-abstract/helpers/getOwnPropertyDescriptor'); var getPrototypeOf = Object.getPrototypeOf; // require('getprototypeof'); if (hasToStringTag && gOPD && getPrototypeOf) { forEach(typedArrays, function (typedArray) { var arr = new global[typedArray](); if (!(Symbol.toStringTag in arr)) { throw new EvalError('this engine has support for Symbol.toStringTag, but ' + typedArray + ' does not have the property! Please report this.'); } var proto = getPrototypeOf(arr); var descriptor = gOPD(proto, Symbol.toStringTag); if (!descriptor) { var superProto = getPrototypeOf(proto); descriptor = gOPD(superProto, Symbol.toStringTag); } toStrTags[typedArray] = descriptor.get; }); } var tryTypedArrays = function tryAllTypedArrays(value) { var anyTrue = false; forEach(toStrTags, function (getter, typedArray) { if (!anyTrue) { try { anyTrue = getter.call(value) === typedArray; } catch (e) { /**/ } } }); return anyTrue; }; module.exports = function isTypedArray(value) { if (!value || typeof value !== 'object') { return false; } if (!hasToStringTag) { var tag = $slice($toString(value), 8, -1); return $indexOf(typedArrays, tag) > -1; } if (!gOPD) { return false; } return tryTypedArrays(value); }; }).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"available-typed-arrays":"/Users/cuixueying/Final445/node_modules/available-typed-arrays/index.js","call-bind/callBound":"/Users/cuixueying/Final445/node_modules/call-bind/callBound.js","es-abstract/helpers/getOwnPropertyDescriptor":"/Users/cuixueying/Final445/node_modules/es-abstract/helpers/getOwnPropertyDescriptor.js","foreach":"/Users/cuixueying/Final445/node_modules/foreach/index.js","has-symbols":"/Users/cuixueying/Final445/node_modules/has-symbols/index.js"}],"/Users/cuixueying/Final445/node_modules/is-upper-case/is-upper-case.js":[function(require,module,exports){ var upperCase = require('upper-case') /** * Check if a string is upper case. * * @param {String} string * @param {String} [locale] * @return {Boolean} */ module.exports = function (string, locale) { return upperCase(string, locale) === string } },{"upper-case":"/Users/cuixueying/Final445/node_modules/upper-case/upper-case.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/index.js":[function(require,module,exports){ 'use strict'; var yaml = require('./lib/js-yaml.js'); module.exports = yaml; },{"./lib/js-yaml.js":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml.js":[function(require,module,exports){ 'use strict'; var loader = require('./js-yaml/loader'); var dumper = require('./js-yaml/dumper'); function deprecated(name) { return function () { throw new Error('Function ' + name + ' is deprecated and cannot be used.'); }; } module.exports.Type = require('./js-yaml/type'); module.exports.Schema = require('./js-yaml/schema'); module.exports.FAILSAFE_SCHEMA = require('./js-yaml/schema/failsafe'); module.exports.JSON_SCHEMA = require('./js-yaml/schema/json'); module.exports.CORE_SCHEMA = require('./js-yaml/schema/core'); module.exports.DEFAULT_SAFE_SCHEMA = require('./js-yaml/schema/default_safe'); module.exports.DEFAULT_FULL_SCHEMA = require('./js-yaml/schema/default_full'); module.exports.load = loader.load; module.exports.loadAll = loader.loadAll; module.exports.safeLoad = loader.safeLoad; module.exports.safeLoadAll = loader.safeLoadAll; module.exports.dump = dumper.dump; module.exports.safeDump = dumper.safeDump; module.exports.YAMLException = require('./js-yaml/exception'); // Deprecated schema names from JS-YAML 2.0.x module.exports.MINIMAL_SCHEMA = require('./js-yaml/schema/failsafe'); module.exports.SAFE_SCHEMA = require('./js-yaml/schema/default_safe'); module.exports.DEFAULT_SCHEMA = require('./js-yaml/schema/default_full'); // Deprecated functions from JS-YAML 1.x.x module.exports.scan = deprecated('scan'); module.exports.parse = deprecated('parse'); module.exports.compose = deprecated('compose'); module.exports.addConstructor = deprecated('addConstructor'); },{"./js-yaml/dumper":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/dumper.js","./js-yaml/exception":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/exception.js","./js-yaml/loader":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/loader.js","./js-yaml/schema":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema.js","./js-yaml/schema/core":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/core.js","./js-yaml/schema/default_full":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/default_full.js","./js-yaml/schema/default_safe":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/default_safe.js","./js-yaml/schema/failsafe":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/failsafe.js","./js-yaml/schema/json":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/json.js","./js-yaml/type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/common.js":[function(require,module,exports){ 'use strict'; function isNothing(subject) { return (typeof subject === 'undefined') || (subject === null); } function isObject(subject) { return (typeof subject === 'object') && (subject !== null); } function toArray(sequence) { if (Array.isArray(sequence)) return sequence; else if (isNothing(sequence)) return []; return [ sequence ]; } function extend(target, source) { var index, length, key, sourceKeys; if (source) { sourceKeys = Object.keys(source); for (index = 0, length = sourceKeys.length; index < length; index += 1) { key = sourceKeys[index]; target[key] = source[key]; } } return target; } function repeat(string, count) { var result = '', cycle; for (cycle = 0; cycle < count; cycle += 1) { result += string; } return result; } function isNegativeZero(number) { return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number); } module.exports.isNothing = isNothing; module.exports.isObject = isObject; module.exports.toArray = toArray; module.exports.repeat = repeat; module.exports.isNegativeZero = isNegativeZero; module.exports.extend = extend; },{}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/dumper.js":[function(require,module,exports){ 'use strict'; /*eslint-disable no-use-before-define*/ var common = require('./common'); var YAMLException = require('./exception'); var DEFAULT_FULL_SCHEMA = require('./schema/default_full'); var DEFAULT_SAFE_SCHEMA = require('./schema/default_safe'); var _toString = Object.prototype.toString; var _hasOwnProperty = Object.prototype.hasOwnProperty; var CHAR_TAB = 0x09; /* Tab */ var CHAR_LINE_FEED = 0x0A; /* LF */ var CHAR_CARRIAGE_RETURN = 0x0D; /* CR */ var CHAR_SPACE = 0x20; /* Space */ var CHAR_EXCLAMATION = 0x21; /* ! */ var CHAR_DOUBLE_QUOTE = 0x22; /* " */ var CHAR_SHARP = 0x23; /* # */ var CHAR_PERCENT = 0x25; /* % */ var CHAR_AMPERSAND = 0x26; /* & */ var CHAR_SINGLE_QUOTE = 0x27; /* ' */ var CHAR_ASTERISK = 0x2A; /* * */ var CHAR_COMMA = 0x2C; /* , */ var CHAR_MINUS = 0x2D; /* - */ var CHAR_COLON = 0x3A; /* : */ var CHAR_EQUALS = 0x3D; /* = */ var CHAR_GREATER_THAN = 0x3E; /* > */ var CHAR_QUESTION = 0x3F; /* ? */ var CHAR_COMMERCIAL_AT = 0x40; /* @ */ var CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */ var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */ var CHAR_GRAVE_ACCENT = 0x60; /* ` */ var CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */ var CHAR_VERTICAL_LINE = 0x7C; /* | */ var CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */ var ESCAPE_SEQUENCES = {}; ESCAPE_SEQUENCES[0x00] = '\\0'; ESCAPE_SEQUENCES[0x07] = '\\a'; ESCAPE_SEQUENCES[0x08] = '\\b'; ESCAPE_SEQUENCES[0x09] = '\\t'; ESCAPE_SEQUENCES[0x0A] = '\\n'; ESCAPE_SEQUENCES[0x0B] = '\\v'; ESCAPE_SEQUENCES[0x0C] = '\\f'; ESCAPE_SEQUENCES[0x0D] = '\\r'; ESCAPE_SEQUENCES[0x1B] = '\\e'; ESCAPE_SEQUENCES[0x22] = '\\"'; ESCAPE_SEQUENCES[0x5C] = '\\\\'; ESCAPE_SEQUENCES[0x85] = '\\N'; ESCAPE_SEQUENCES[0xA0] = '\\_'; ESCAPE_SEQUENCES[0x2028] = '\\L'; ESCAPE_SEQUENCES[0x2029] = '\\P'; var DEPRECATED_BOOLEANS_SYNTAX = [ 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF' ]; function compileStyleMap(schema, map) { var result, keys, index, length, tag, style, type; if (map === null) return {}; result = {}; keys = Object.keys(map); for (index = 0, length = keys.length; index < length; index += 1) { tag = keys[index]; style = String(map[tag]); if (tag.slice(0, 2) === '!!') { tag = 'tag:yaml.org,2002:' + tag.slice(2); } type = schema.compiledTypeMap['fallback'][tag]; if (type && _hasOwnProperty.call(type.styleAliases, style)) { style = type.styleAliases[style]; } result[tag] = style; } return result; } function encodeHex(character) { var string, handle, length; string = character.toString(16).toUpperCase(); if (character <= 0xFF) { handle = 'x'; length = 2; } else if (character <= 0xFFFF) { handle = 'u'; length = 4; } else if (character <= 0xFFFFFFFF) { handle = 'U'; length = 8; } else { throw new YAMLException('code point within a string may not be greater than 0xFFFFFFFF'); } return '\\' + handle + common.repeat('0', length - string.length) + string; } function State(options) { this.schema = options['schema'] || DEFAULT_FULL_SCHEMA; this.indent = Math.max(1, (options['indent'] || 2)); this.noArrayIndent = options['noArrayIndent'] || false; this.skipInvalid = options['skipInvalid'] || false; this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']); this.styleMap = compileStyleMap(this.schema, options['styles'] || null); this.sortKeys = options['sortKeys'] || false; this.lineWidth = options['lineWidth'] || 80; this.noRefs = options['noRefs'] || false; this.noCompatMode = options['noCompatMode'] || false; this.condenseFlow = options['condenseFlow'] || false; this.implicitTypes = this.schema.compiledImplicit; this.explicitTypes = this.schema.compiledExplicit; this.tag = null; this.result = ''; this.duplicates = []; this.usedDuplicates = null; } // Indents every line in a string. Empty lines (\n only) are not indented. function indentString(string, spaces) { var ind = common.repeat(' ', spaces), position = 0, next = -1, result = '', line, length = string.length; while (position < length) { next = string.indexOf('\n', position); if (next === -1) { line = string.slice(position); position = length; } else { line = string.slice(position, next + 1); position = next + 1; } if (line.length && line !== '\n') result += ind; result += line; } return result; } function generateNextLine(state, level) { return '\n' + common.repeat(' ', state.indent * level); } function testImplicitResolving(state, str) { var index, length, type; for (index = 0, length = state.implicitTypes.length; index < length; index += 1) { type = state.implicitTypes[index]; if (type.resolve(str)) { return true; } } return false; } // [33] s-white ::= s-space | s-tab function isWhitespace(c) { return c === CHAR_SPACE || c === CHAR_TAB; } // Returns true if the character can be printed without escaping. // From YAML 1.2: "any allowed characters known to be non-printable // should also be escaped. [However,] This isn’t mandatory" // Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029. function isPrintable(c) { return (0x00020 <= c && c <= 0x00007E) || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029) || ((0x0E000 <= c && c <= 0x00FFFD) && c !== 0xFEFF /* BOM */) || (0x10000 <= c && c <= 0x10FFFF); } // [34] ns-char ::= nb-char - s-white // [27] nb-char ::= c-printable - b-char - c-byte-order-mark // [26] b-char ::= b-line-feed | b-carriage-return // [24] b-line-feed ::= #xA /* LF */ // [25] b-carriage-return ::= #xD /* CR */ // [3] c-byte-order-mark ::= #xFEFF function isNsChar(c) { return isPrintable(c) && !isWhitespace(c) // byte-order-mark && c !== 0xFEFF // b-char && c !== CHAR_CARRIAGE_RETURN && c !== CHAR_LINE_FEED; } // Simplified test for values allowed after the first character in plain style. function isPlainSafe(c, prev) { // Uses a subset of nb-char - c-flow-indicator - ":" - "#" // where nb-char ::= c-printable - b-char - c-byte-order-mark. return isPrintable(c) && c !== 0xFEFF // - c-flow-indicator && c !== CHAR_COMMA && c !== CHAR_LEFT_SQUARE_BRACKET && c !== CHAR_RIGHT_SQUARE_BRACKET && c !== CHAR_LEFT_CURLY_BRACKET && c !== CHAR_RIGHT_CURLY_BRACKET // - ":" - "#" // /* An ns-char preceding */ "#" && c !== CHAR_COLON && ((c !== CHAR_SHARP) || (prev && isNsChar(prev))); } // Simplified test for values allowed as the first character in plain style. function isPlainSafeFirst(c) { // Uses a subset of ns-char - c-indicator // where ns-char = nb-char - s-white. return isPrintable(c) && c !== 0xFEFF && !isWhitespace(c) // - s-white // - (c-indicator ::= // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}” && c !== CHAR_MINUS && c !== CHAR_QUESTION && c !== CHAR_COLON && c !== CHAR_COMMA && c !== CHAR_LEFT_SQUARE_BRACKET && c !== CHAR_RIGHT_SQUARE_BRACKET && c !== CHAR_LEFT_CURLY_BRACKET && c !== CHAR_RIGHT_CURLY_BRACKET // | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “"” && c !== CHAR_SHARP && c !== CHAR_AMPERSAND && c !== CHAR_ASTERISK && c !== CHAR_EXCLAMATION && c !== CHAR_VERTICAL_LINE && c !== CHAR_EQUALS && c !== CHAR_GREATER_THAN && c !== CHAR_SINGLE_QUOTE && c !== CHAR_DOUBLE_QUOTE // | “%” | “@” | “`”) && c !== CHAR_PERCENT && c !== CHAR_COMMERCIAL_AT && c !== CHAR_GRAVE_ACCENT; } // Determines whether block indentation indicator is required. function needIndentIndicator(string) { var leadingSpaceRe = /^\n* /; return leadingSpaceRe.test(string); } var STYLE_PLAIN = 1, STYLE_SINGLE = 2, STYLE_LITERAL = 3, STYLE_FOLDED = 4, STYLE_DOUBLE = 5; // Determines which scalar styles are possible and returns the preferred style. // lineWidth = -1 => no limit. // Pre-conditions: str.length > 0. // Post-conditions: // STYLE_PLAIN or STYLE_SINGLE => no \n are in the string. // STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1). // STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1). function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, testAmbiguousType) { var i; var char, prev_char; var hasLineBreak = false; var hasFoldableLine = false; // only checked if shouldTrackWidth var shouldTrackWidth = lineWidth !== -1; var previousLineBreak = -1; // count the first line correctly var plain = isPlainSafeFirst(string.charCodeAt(0)) && !isWhitespace(string.charCodeAt(string.length - 1)); if (singleLineOnly) { // Case: no block styles. // Check for disallowed characters to rule out plain and single. for (i = 0; i < string.length; i++) { char = string.charCodeAt(i); if (!isPrintable(char)) { return STYLE_DOUBLE; } prev_char = i > 0 ? string.charCodeAt(i - 1) : null; plain = plain && isPlainSafe(char, prev_char); } } else { // Case: block styles permitted. for (i = 0; i < string.length; i++) { char = string.charCodeAt(i); if (char === CHAR_LINE_FEED) { hasLineBreak = true; // Check if any line can be folded. if (shouldTrackWidth) { hasFoldableLine = hasFoldableLine || // Foldable line = too long, and not more-indented. (i - previousLineBreak - 1 > lineWidth && string[previousLineBreak + 1] !== ' '); previousLineBreak = i; } } else if (!isPrintable(char)) { return STYLE_DOUBLE; } prev_char = i > 0 ? string.charCodeAt(i - 1) : null; plain = plain && isPlainSafe(char, prev_char); } // in case the end is missing a \n hasFoldableLine = hasFoldableLine || (shouldTrackWidth && (i - previousLineBreak - 1 > lineWidth && string[previousLineBreak + 1] !== ' ')); } // Although every style can represent \n without escaping, prefer block styles // for multiline, since they're more readable and they don't add empty lines. // Also prefer folding a super-long line. if (!hasLineBreak && !hasFoldableLine) { // Strings interpretable as another type have to be quoted; // e.g. the string 'true' vs. the boolean true. return plain && !testAmbiguousType(string) ? STYLE_PLAIN : STYLE_SINGLE; } // Edge case: block indentation indicator can only have one digit. if (indentPerLevel > 9 && needIndentIndicator(string)) { return STYLE_DOUBLE; } // At this point we know block styles are valid. // Prefer literal style unless we want to fold. return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL; } // Note: line breaking/folding is implemented for only the folded style. // NB. We drop the last trailing newline (if any) of a returned block scalar // since the dumper adds its own newline. This always works: // • No ending newline => unaffected; already using strip "-" chomping. // • Ending newline => removed then restored. // Importantly, this keeps the "+" chomp indicator from gaining an extra line. function writeScalar(state, string, level, iskey) { state.dump = (function () { if (string.length === 0) { return "''"; } if (!state.noCompatMode && DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1) { return "'" + string + "'"; } var indent = state.indent * Math.max(1, level); // no 0-indent scalars // As indentation gets deeper, let the width decrease monotonically // to the lower bound min(state.lineWidth, 40). // Note that this implies // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound. // state.lineWidth > 40 + state.indent: width decreases until the lower bound. // This behaves better than a constant minimum width which disallows narrower options, // or an indent threshold which causes the width to suddenly increase. var lineWidth = state.lineWidth === -1 ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); // Without knowing if keys are implicit/explicit, assume implicit for safety. var singleLineOnly = iskey // No block styles in flow mode. || (state.flowLevel > -1 && level >= state.flowLevel); function testAmbiguity(string) { return testImplicitResolving(state, string); } switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, testAmbiguity)) { case STYLE_PLAIN: return string; case STYLE_SINGLE: return "'" + string.replace(/'/g, "''") + "'"; case STYLE_LITERAL: return '|' + blockHeader(string, state.indent) + dropEndingNewline(indentString(string, indent)); case STYLE_FOLDED: return '>' + blockHeader(string, state.indent) + dropEndingNewline(indentString(foldString(string, lineWidth), indent)); case STYLE_DOUBLE: return '"' + escapeString(string, lineWidth) + '"'; default: throw new YAMLException('impossible error: invalid scalar style'); } }()); } // Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9. function blockHeader(string, indentPerLevel) { var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : ''; // note the special case: the string '\n' counts as a "trailing" empty line. var clip = string[string.length - 1] === '\n'; var keep = clip && (string[string.length - 2] === '\n' || string === '\n'); var chomp = keep ? '+' : (clip ? '' : '-'); return indentIndicator + chomp + '\n'; } // (See the note for writeScalar.) function dropEndingNewline(string) { return string[string.length - 1] === '\n' ? string.slice(0, -1) : string; } // Note: a long line without a suitable break point will exceed the width limit. // Pre-conditions: every char in str isPrintable, str.length > 0, width > 0. function foldString(string, width) { // In folded style, $k$ consecutive newlines output as $k+1$ newlines— // unless they're before or after a more-indented line, or at the very // beginning or end, in which case $k$ maps to $k$. // Therefore, parse each chunk as newline(s) followed by a content line. var lineRe = /(\n+)([^\n]*)/g; // first line (possibly an empty line) var result = (function () { var nextLF = string.indexOf('\n'); nextLF = nextLF !== -1 ? nextLF : string.length; lineRe.lastIndex = nextLF; return foldLine(string.slice(0, nextLF), width); }()); // If we haven't reached the first content line yet, don't add an extra \n. var prevMoreIndented = string[0] === '\n' || string[0] === ' '; var moreIndented; // rest of the lines var match; while ((match = lineRe.exec(string))) { var prefix = match[1], line = match[2]; moreIndented = (line[0] === ' '); result += prefix + (!prevMoreIndented && !moreIndented && line !== '' ? '\n' : '') + foldLine(line, width); prevMoreIndented = moreIndented; } return result; } // Greedy line breaking. // Picks the longest line under the limit each time, // otherwise settles for the shortest line over the limit. // NB. More-indented lines *cannot* be folded, as that would add an extra \n. function foldLine(line, width) { if (line === '' || line[0] === ' ') return line; // Since a more-indented line adds a \n, breaks can't be followed by a space. var breakRe = / [^ ]/g; // note: the match index will always be <= length-2. var match; // start is an inclusive index. end, curr, and next are exclusive. var start = 0, end, curr = 0, next = 0; var result = ''; // Invariants: 0 <= start <= length-1. // 0 <= curr <= next <= max(0, length-2). curr - start <= width. // Inside the loop: // A match implies length >= 2, so curr and next are <= length-2. while ((match = breakRe.exec(line))) { next = match.index; // maintain invariant: curr - start <= width if (next - start > width) { end = (curr > start) ? curr : next; // derive end <= length-2 result += '\n' + line.slice(start, end); // skip the space that was output as \n start = end + 1; // derive start <= length-1 } curr = next; } // By the invariants, start <= length-1, so there is something left over. // It is either the whole string or a part starting from non-whitespace. result += '\n'; // Insert a break if the remainder is too long and there is a break available. if (line.length - start > width && curr > start) { result += line.slice(start, curr) + '\n' + line.slice(curr + 1); } else { result += line.slice(start); } return result.slice(1); // drop extra \n joiner } // Escapes a double-quoted string. function escapeString(string) { var result = ''; var char, nextChar; var escapeSeq; for (var i = 0; i < string.length; i++) { char = string.charCodeAt(i); // Check for surrogate pairs (reference Unicode 3.0 section "3.7 Surrogates"). if (char >= 0xD800 && char <= 0xDBFF/* high surrogate */) { nextChar = string.charCodeAt(i + 1); if (nextChar >= 0xDC00 && nextChar <= 0xDFFF/* low surrogate */) { // Combine the surrogate pair and store it escaped. result += encodeHex((char - 0xD800) * 0x400 + nextChar - 0xDC00 + 0x10000); // Advance index one extra since we already used that char here. i++; continue; } } escapeSeq = ESCAPE_SEQUENCES[char]; result += !escapeSeq && isPrintable(char) ? string[i] : escapeSeq || encodeHex(char); } return result; } function writeFlowSequence(state, level, object) { var _result = '', _tag = state.tag, index, length; for (index = 0, length = object.length; index < length; index += 1) { // Write only valid elements. if (writeNode(state, level, object[index], false, false)) { if (index !== 0) _result += ',' + (!state.condenseFlow ? ' ' : ''); _result += state.dump; } } state.tag = _tag; state.dump = '[' + _result + ']'; } function writeBlockSequence(state, level, object, compact) { var _result = '', _tag = state.tag, index, length; for (index = 0, length = object.length; index < length; index += 1) { // Write only valid elements. if (writeNode(state, level + 1, object[index], true, true)) { if (!compact || index !== 0) { _result += generateNextLine(state, level); } if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { _result += '-'; } else { _result += '- '; } _result += state.dump; } } state.tag = _tag; state.dump = _result || '[]'; // Empty sequence if no valid values. } function writeFlowMapping(state, level, object) { var _result = '', _tag = state.tag, objectKeyList = Object.keys(object), index, length, objectKey, objectValue, pairBuffer; for (index = 0, length = objectKeyList.length; index < length; index += 1) { pairBuffer = ''; if (index !== 0) pairBuffer += ', '; if (state.condenseFlow) pairBuffer += '"'; objectKey = objectKeyList[index]; objectValue = object[objectKey]; if (!writeNode(state, level, objectKey, false, false)) { continue; // Skip this pair because of invalid key; } if (state.dump.length > 1024) pairBuffer += '? '; pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' '); if (!writeNode(state, level, objectValue, false, false)) { continue; // Skip this pair because of invalid value. } pairBuffer += state.dump; // Both key and value are valid. _result += pairBuffer; } state.tag = _tag; state.dump = '{' + _result + '}'; } function writeBlockMapping(state, level, object, compact) { var _result = '', _tag = state.tag, objectKeyList = Object.keys(object), index, length, objectKey, objectValue, explicitPair, pairBuffer; // Allow sorting keys so that the output file is deterministic if (state.sortKeys === true) { // Default sorting objectKeyList.sort(); } else if (typeof state.sortKeys === 'function') { // Custom sort function objectKeyList.sort(state.sortKeys); } else if (state.sortKeys) { // Something is wrong throw new YAMLException('sortKeys must be a boolean or a function'); } for (index = 0, length = objectKeyList.length; index < length; index += 1) { pairBuffer = ''; if (!compact || index !== 0) { pairBuffer += generateNextLine(state, level); } objectKey = objectKeyList[index]; objectValue = object[objectKey]; if (!writeNode(state, level + 1, objectKey, true, true, true)) { continue; // Skip this pair because of invalid key. } explicitPair = (state.tag !== null && state.tag !== '?') || (state.dump && state.dump.length > 1024); if (explicitPair) { if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { pairBuffer += '?'; } else { pairBuffer += '? '; } } pairBuffer += state.dump; if (explicitPair) { pairBuffer += generateNextLine(state, level); } if (!writeNode(state, level + 1, objectValue, true, explicitPair)) { continue; // Skip this pair because of invalid value. } if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { pairBuffer += ':'; } else { pairBuffer += ': '; } pairBuffer += state.dump; // Both key and value are valid. _result += pairBuffer; } state.tag = _tag; state.dump = _result || '{}'; // Empty mapping if no valid pairs. } function detectType(state, object, explicit) { var _result, typeList, index, length, type, style; typeList = explicit ? state.explicitTypes : state.implicitTypes; for (index = 0, length = typeList.length; index < length; index += 1) { type = typeList[index]; if ((type.instanceOf || type.predicate) && (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) && (!type.predicate || type.predicate(object))) { state.tag = explicit ? type.tag : '?'; if (type.represent) { style = state.styleMap[type.tag] || type.defaultStyle; if (_toString.call(type.represent) === '[object Function]') { _result = type.represent(object, style); } else if (_hasOwnProperty.call(type.represent, style)) { _result = type.represent[style](object, style); } else { throw new YAMLException('!<' + type.tag + '> tag resolver accepts not "' + style + '" style'); } state.dump = _result; } return true; } } return false; } // Serializes `object` and writes it to global `result`. // Returns true on success, or false on invalid object. // function writeNode(state, level, object, block, compact, iskey) { state.tag = null; state.dump = object; if (!detectType(state, object, false)) { detectType(state, object, true); } var type = _toString.call(state.dump); if (block) { block = (state.flowLevel < 0 || state.flowLevel > level); } var objectOrArray = type === '[object Object]' || type === '[object Array]', duplicateIndex, duplicate; if (objectOrArray) { duplicateIndex = state.duplicates.indexOf(object); duplicate = duplicateIndex !== -1; } if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) { compact = false; } if (duplicate && state.usedDuplicates[duplicateIndex]) { state.dump = '*ref_' + duplicateIndex; } else { if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) { state.usedDuplicates[duplicateIndex] = true; } if (type === '[object Object]') { if (block && (Object.keys(state.dump).length !== 0)) { writeBlockMapping(state, level, state.dump, compact); if (duplicate) { state.dump = '&ref_' + duplicateIndex + state.dump; } } else { writeFlowMapping(state, level, state.dump); if (duplicate) { state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; } } } else if (type === '[object Array]') { var arrayLevel = (state.noArrayIndent && (level > 0)) ? level - 1 : level; if (block && (state.dump.length !== 0)) { writeBlockSequence(state, arrayLevel, state.dump, compact); if (duplicate) { state.dump = '&ref_' + duplicateIndex + state.dump; } } else { writeFlowSequence(state, arrayLevel, state.dump); if (duplicate) { state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; } } } else if (type === '[object String]') { if (state.tag !== '?') { writeScalar(state, state.dump, level, iskey); } } else { if (state.skipInvalid) return false; throw new YAMLException('unacceptable kind of an object to dump ' + type); } if (state.tag !== null && state.tag !== '?') { state.dump = '!<' + state.tag + '> ' + state.dump; } } return true; } function getDuplicateReferences(object, state) { var objects = [], duplicatesIndexes = [], index, length; inspectNode(object, objects, duplicatesIndexes); for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) { state.duplicates.push(objects[duplicatesIndexes[index]]); } state.usedDuplicates = new Array(length); } function inspectNode(object, objects, duplicatesIndexes) { var objectKeyList, index, length; if (object !== null && typeof object === 'object') { index = objects.indexOf(object); if (index !== -1) { if (duplicatesIndexes.indexOf(index) === -1) { duplicatesIndexes.push(index); } } else { objects.push(object); if (Array.isArray(object)) { for (index = 0, length = object.length; index < length; index += 1) { inspectNode(object[index], objects, duplicatesIndexes); } } else { objectKeyList = Object.keys(object); for (index = 0, length = objectKeyList.length; index < length; index += 1) { inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes); } } } } } function dump(input, options) { options = options || {}; var state = new State(options); if (!state.noRefs) getDuplicateReferences(input, state); if (writeNode(state, 0, input, true, true)) return state.dump + '\n'; return ''; } function safeDump(input, options) { return dump(input, common.extend({ schema: DEFAULT_SAFE_SCHEMA }, options)); } module.exports.dump = dump; module.exports.safeDump = safeDump; },{"./common":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/common.js","./exception":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/exception.js","./schema/default_full":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/default_full.js","./schema/default_safe":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/default_safe.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/exception.js":[function(require,module,exports){ // YAML error class. http://stackoverflow.com/questions/8458984 // 'use strict'; function YAMLException(reason, mark) { // Super constructor Error.call(this); this.name = 'YAMLException'; this.reason = reason; this.mark = mark; this.message = (this.reason || '(unknown reason)') + (this.mark ? ' ' + this.mark.toString() : ''); // Include stack trace in error object if (Error.captureStackTrace) { // Chrome and NodeJS Error.captureStackTrace(this, this.constructor); } else { // FF, IE 10+ and Safari 6+. Fallback for others this.stack = (new Error()).stack || ''; } } // Inherit from Error YAMLException.prototype = Object.create(Error.prototype); YAMLException.prototype.constructor = YAMLException; YAMLException.prototype.toString = function toString(compact) { var result = this.name + ': '; result += this.reason || '(unknown reason)'; if (!compact && this.mark) { result += ' ' + this.mark.toString(); } return result; }; module.exports = YAMLException; },{}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/loader.js":[function(require,module,exports){ 'use strict'; /*eslint-disable max-len,no-use-before-define*/ var common = require('./common'); var YAMLException = require('./exception'); var Mark = require('./mark'); var DEFAULT_SAFE_SCHEMA = require('./schema/default_safe'); var DEFAULT_FULL_SCHEMA = require('./schema/default_full'); var _hasOwnProperty = Object.prototype.hasOwnProperty; var CONTEXT_FLOW_IN = 1; var CONTEXT_FLOW_OUT = 2; var CONTEXT_BLOCK_IN = 3; var CONTEXT_BLOCK_OUT = 4; var CHOMPING_CLIP = 1; var CHOMPING_STRIP = 2; var CHOMPING_KEEP = 3; var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/; var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/; var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/; var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i; var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i; function _class(obj) { return Object.prototype.toString.call(obj); } function is_EOL(c) { return (c === 0x0A/* LF */) || (c === 0x0D/* CR */); } function is_WHITE_SPACE(c) { return (c === 0x09/* Tab */) || (c === 0x20/* Space */); } function is_WS_OR_EOL(c) { return (c === 0x09/* Tab */) || (c === 0x20/* Space */) || (c === 0x0A/* LF */) || (c === 0x0D/* CR */); } function is_FLOW_INDICATOR(c) { return c === 0x2C/* , */ || c === 0x5B/* [ */ || c === 0x5D/* ] */ || c === 0x7B/* { */ || c === 0x7D/* } */; } function fromHexCode(c) { var lc; if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { return c - 0x30; } /*eslint-disable no-bitwise*/ lc = c | 0x20; if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) { return lc - 0x61 + 10; } return -1; } function escapedHexLen(c) { if (c === 0x78/* x */) { return 2; } if (c === 0x75/* u */) { return 4; } if (c === 0x55/* U */) { return 8; } return 0; } function fromDecimalCode(c) { if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { return c - 0x30; } return -1; } function simpleEscapeSequence(c) { /* eslint-disable indent */ return (c === 0x30/* 0 */) ? '\x00' : (c === 0x61/* a */) ? '\x07' : (c === 0x62/* b */) ? '\x08' : (c === 0x74/* t */) ? '\x09' : (c === 0x09/* Tab */) ? '\x09' : (c === 0x6E/* n */) ? '\x0A' : (c === 0x76/* v */) ? '\x0B' : (c === 0x66/* f */) ? '\x0C' : (c === 0x72/* r */) ? '\x0D' : (c === 0x65/* e */) ? '\x1B' : (c === 0x20/* Space */) ? ' ' : (c === 0x22/* " */) ? '\x22' : (c === 0x2F/* / */) ? '/' : (c === 0x5C/* \ */) ? '\x5C' : (c === 0x4E/* N */) ? '\x85' : (c === 0x5F/* _ */) ? '\xA0' : (c === 0x4C/* L */) ? '\u2028' : (c === 0x50/* P */) ? '\u2029' : ''; } function charFromCodepoint(c) { if (c <= 0xFFFF) { return String.fromCharCode(c); } // Encode UTF-16 surrogate pair // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF return String.fromCharCode( ((c - 0x010000) >> 10) + 0xD800, ((c - 0x010000) & 0x03FF) + 0xDC00 ); } var simpleEscapeCheck = new Array(256); // integer, for fast access var simpleEscapeMap = new Array(256); for (var i = 0; i < 256; i++) { simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0; simpleEscapeMap[i] = simpleEscapeSequence(i); } function State(input, options) { this.input = input; this.filename = options['filename'] || null; this.schema = options['schema'] || DEFAULT_FULL_SCHEMA; this.onWarning = options['onWarning'] || null; this.legacy = options['legacy'] || false; this.json = options['json'] || false; this.listener = options['listener'] || null; this.implicitTypes = this.schema.compiledImplicit; this.typeMap = this.schema.compiledTypeMap; this.length = input.length; this.position = 0; this.line = 0; this.lineStart = 0; this.lineIndent = 0; this.documents = []; /* this.version; this.checkLineBreaks; this.tagMap; this.anchorMap; this.tag; this.anchor; this.kind; this.result;*/ } function generateError(state, message) { return new YAMLException( message, new Mark(state.filename, state.input, state.position, state.line, (state.position - state.lineStart))); } function throwError(state, message) { throw generateError(state, message); } function throwWarning(state, message) { if (state.onWarning) { state.onWarning.call(null, generateError(state, message)); } } var directiveHandlers = { YAML: function handleYamlDirective(state, name, args) { var match, major, minor; if (state.version !== null) { throwError(state, 'duplication of %YAML directive'); } if (args.length !== 1) { throwError(state, 'YAML directive accepts exactly one argument'); } match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]); if (match === null) { throwError(state, 'ill-formed argument of the YAML directive'); } major = parseInt(match[1], 10); minor = parseInt(match[2], 10); if (major !== 1) { throwError(state, 'unacceptable YAML version of the document'); } state.version = args[0]; state.checkLineBreaks = (minor < 2); if (minor !== 1 && minor !== 2) { throwWarning(state, 'unsupported YAML version of the document'); } }, TAG: function handleTagDirective(state, name, args) { var handle, prefix; if (args.length !== 2) { throwError(state, 'TAG directive accepts exactly two arguments'); } handle = args[0]; prefix = args[1]; if (!PATTERN_TAG_HANDLE.test(handle)) { throwError(state, 'ill-formed tag handle (first argument) of the TAG directive'); } if (_hasOwnProperty.call(state.tagMap, handle)) { throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle'); } if (!PATTERN_TAG_URI.test(prefix)) { throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive'); } state.tagMap[handle] = prefix; } }; function captureSegment(state, start, end, checkJson) { var _position, _length, _character, _result; if (start < end) { _result = state.input.slice(start, end); if (checkJson) { for (_position = 0, _length = _result.length; _position < _length; _position += 1) { _character = _result.charCodeAt(_position); if (!(_character === 0x09 || (0x20 <= _character && _character <= 0x10FFFF))) { throwError(state, 'expected valid JSON character'); } } } else if (PATTERN_NON_PRINTABLE.test(_result)) { throwError(state, 'the stream contains non-printable characters'); } state.result += _result; } } function mergeMappings(state, destination, source, overridableKeys) { var sourceKeys, key, index, quantity; if (!common.isObject(source)) { throwError(state, 'cannot merge mappings; the provided source object is unacceptable'); } sourceKeys = Object.keys(source); for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) { key = sourceKeys[index]; if (!_hasOwnProperty.call(destination, key)) { destination[key] = source[key]; overridableKeys[key] = true; } } } function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, startLine, startPos) { var index, quantity; // The output is a plain object here, so keys can only be strings. // We need to convert keyNode to a string, but doing so can hang the process // (deeply nested arrays that explode exponentially using aliases). if (Array.isArray(keyNode)) { keyNode = Array.prototype.slice.call(keyNode); for (index = 0, quantity = keyNode.length; index < quantity; index += 1) { if (Array.isArray(keyNode[index])) { throwError(state, 'nested arrays are not supported inside keys'); } if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') { keyNode[index] = '[object Object]'; } } } // Avoid code execution in load() via toString property // (still use its own toString for arrays, timestamps, // and whatever user schema extensions happen to have @@toStringTag) if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') { keyNode = '[object Object]'; } keyNode = String(keyNode); if (_result === null) { _result = {}; } if (keyTag === 'tag:yaml.org,2002:merge') { if (Array.isArray(valueNode)) { for (index = 0, quantity = valueNode.length; index < quantity; index += 1) { mergeMappings(state, _result, valueNode[index], overridableKeys); } } else { mergeMappings(state, _result, valueNode, overridableKeys); } } else { if (!state.json && !_hasOwnProperty.call(overridableKeys, keyNode) && _hasOwnProperty.call(_result, keyNode)) { state.line = startLine || state.line; state.position = startPos || state.position; throwError(state, 'duplicated mapping key'); } _result[keyNode] = valueNode; delete overridableKeys[keyNode]; } return _result; } function readLineBreak(state) { var ch; ch = state.input.charCodeAt(state.position); if (ch === 0x0A/* LF */) { state.position++; } else if (ch === 0x0D/* CR */) { state.position++; if (state.input.charCodeAt(state.position) === 0x0A/* LF */) { state.position++; } } else { throwError(state, 'a line break is expected'); } state.line += 1; state.lineStart = state.position; } function skipSeparationSpace(state, allowComments, checkIndent) { var lineBreaks = 0, ch = state.input.charCodeAt(state.position); while (ch !== 0) { while (is_WHITE_SPACE(ch)) { ch = state.input.charCodeAt(++state.position); } if (allowComments && ch === 0x23/* # */) { do { ch = state.input.charCodeAt(++state.position); } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0); } if (is_EOL(ch)) { readLineBreak(state); ch = state.input.charCodeAt(state.position); lineBreaks++; state.lineIndent = 0; while (ch === 0x20/* Space */) { state.lineIndent++; ch = state.input.charCodeAt(++state.position); } } else { break; } } if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) { throwWarning(state, 'deficient indentation'); } return lineBreaks; } function testDocumentSeparator(state) { var _position = state.position, ch; ch = state.input.charCodeAt(_position); // Condition state.position === state.lineStart is tested // in parent on each call, for efficiency. No needs to test here again. if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) && ch === state.input.charCodeAt(_position + 1) && ch === state.input.charCodeAt(_position + 2)) { _position += 3; ch = state.input.charCodeAt(_position); if (ch === 0 || is_WS_OR_EOL(ch)) { return true; } } return false; } function writeFoldedLines(state, count) { if (count === 1) { state.result += ' '; } else if (count > 1) { state.result += common.repeat('\n', count - 1); } } function readPlainScalar(state, nodeIndent, withinFlowCollection) { var preceding, following, captureStart, captureEnd, hasPendingContent, _line, _lineStart, _lineIndent, _kind = state.kind, _result = state.result, ch; ch = state.input.charCodeAt(state.position); if (is_WS_OR_EOL(ch) || is_FLOW_INDICATOR(ch) || ch === 0x23/* # */ || ch === 0x26/* & */ || ch === 0x2A/* * */ || ch === 0x21/* ! */ || ch === 0x7C/* | */ || ch === 0x3E/* > */ || ch === 0x27/* ' */ || ch === 0x22/* " */ || ch === 0x25/* % */ || ch === 0x40/* @ */ || ch === 0x60/* ` */) { return false; } if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) { following = state.input.charCodeAt(state.position + 1); if (is_WS_OR_EOL(following) || withinFlowCollection && is_FLOW_INDICATOR(following)) { return false; } } state.kind = 'scalar'; state.result = ''; captureStart = captureEnd = state.position; hasPendingContent = false; while (ch !== 0) { if (ch === 0x3A/* : */) { following = state.input.charCodeAt(state.position + 1); if (is_WS_OR_EOL(following) || withinFlowCollection && is_FLOW_INDICATOR(following)) { break; } } else if (ch === 0x23/* # */) { preceding = state.input.charCodeAt(state.position - 1); if (is_WS_OR_EOL(preceding)) { break; } } else if ((state.position === state.lineStart && testDocumentSeparator(state)) || withinFlowCollection && is_FLOW_INDICATOR(ch)) { break; } else if (is_EOL(ch)) { _line = state.line; _lineStart = state.lineStart; _lineIndent = state.lineIndent; skipSeparationSpace(state, false, -1); if (state.lineIndent >= nodeIndent) { hasPendingContent = true; ch = state.input.charCodeAt(state.position); continue; } else { state.position = captureEnd; state.line = _line; state.lineStart = _lineStart; state.lineIndent = _lineIndent; break; } } if (hasPendingContent) { captureSegment(state, captureStart, captureEnd, false); writeFoldedLines(state, state.line - _line); captureStart = captureEnd = state.position; hasPendingContent = false; } if (!is_WHITE_SPACE(ch)) { captureEnd = state.position + 1; } ch = state.input.charCodeAt(++state.position); } captureSegment(state, captureStart, captureEnd, false); if (state.result) { return true; } state.kind = _kind; state.result = _result; return false; } function readSingleQuotedScalar(state, nodeIndent) { var ch, captureStart, captureEnd; ch = state.input.charCodeAt(state.position); if (ch !== 0x27/* ' */) { return false; } state.kind = 'scalar'; state.result = ''; state.position++; captureStart = captureEnd = state.position; while ((ch = state.input.charCodeAt(state.position)) !== 0) { if (ch === 0x27/* ' */) { captureSegment(state, captureStart, state.position, true); ch = state.input.charCodeAt(++state.position); if (ch === 0x27/* ' */) { captureStart = state.position; state.position++; captureEnd = state.position; } else { return true; } } else if (is_EOL(ch)) { captureSegment(state, captureStart, captureEnd, true); writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); captureStart = captureEnd = state.position; } else if (state.position === state.lineStart && testDocumentSeparator(state)) { throwError(state, 'unexpected end of the document within a single quoted scalar'); } else { state.position++; captureEnd = state.position; } } throwError(state, 'unexpected end of the stream within a single quoted scalar'); } function readDoubleQuotedScalar(state, nodeIndent) { var captureStart, captureEnd, hexLength, hexResult, tmp, ch; ch = state.input.charCodeAt(state.position); if (ch !== 0x22/* " */) { return false; } state.kind = 'scalar'; state.result = ''; state.position++; captureStart = captureEnd = state.position; while ((ch = state.input.charCodeAt(state.position)) !== 0) { if (ch === 0x22/* " */) { captureSegment(state, captureStart, state.position, true); state.position++; return true; } else if (ch === 0x5C/* \ */) { captureSegment(state, captureStart, state.position, true); ch = state.input.charCodeAt(++state.position); if (is_EOL(ch)) { skipSeparationSpace(state, false, nodeIndent); // TODO: rework to inline fn with no type cast? } else if (ch < 256 && simpleEscapeCheck[ch]) { state.result += simpleEscapeMap[ch]; state.position++; } else if ((tmp = escapedHexLen(ch)) > 0) { hexLength = tmp; hexResult = 0; for (; hexLength > 0; hexLength--) { ch = state.input.charCodeAt(++state.position); if ((tmp = fromHexCode(ch)) >= 0) { hexResult = (hexResult << 4) + tmp; } else { throwError(state, 'expected hexadecimal character'); } } state.result += charFromCodepoint(hexResult); state.position++; } else { throwError(state, 'unknown escape sequence'); } captureStart = captureEnd = state.position; } else if (is_EOL(ch)) { captureSegment(state, captureStart, captureEnd, true); writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); captureStart = captureEnd = state.position; } else if (state.position === state.lineStart && testDocumentSeparator(state)) { throwError(state, 'unexpected end of the document within a double quoted scalar'); } else { state.position++; captureEnd = state.position; } } throwError(state, 'unexpected end of the stream within a double quoted scalar'); } function readFlowCollection(state, nodeIndent) { var readNext = true, _line, _tag = state.tag, _result, _anchor = state.anchor, following, terminator, isPair, isExplicitPair, isMapping, overridableKeys = {}, keyNode, keyTag, valueNode, ch; ch = state.input.charCodeAt(state.position); if (ch === 0x5B/* [ */) { terminator = 0x5D;/* ] */ isMapping = false; _result = []; } else if (ch === 0x7B/* { */) { terminator = 0x7D;/* } */ isMapping = true; _result = {}; } else { return false; } if (state.anchor !== null) { state.anchorMap[state.anchor] = _result; } ch = state.input.charCodeAt(++state.position); while (ch !== 0) { skipSeparationSpace(state, true, nodeIndent); ch = state.input.charCodeAt(state.position); if (ch === terminator) { state.position++; state.tag = _tag; state.anchor = _anchor; state.kind = isMapping ? 'mapping' : 'sequence'; state.result = _result; return true; } else if (!readNext) { throwError(state, 'missed comma between flow collection entries'); } keyTag = keyNode = valueNode = null; isPair = isExplicitPair = false; if (ch === 0x3F/* ? */) { following = state.input.charCodeAt(state.position + 1); if (is_WS_OR_EOL(following)) { isPair = isExplicitPair = true; state.position++; skipSeparationSpace(state, true, nodeIndent); } } _line = state.line; composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); keyTag = state.tag; keyNode = state.result; skipSeparationSpace(state, true, nodeIndent); ch = state.input.charCodeAt(state.position); if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) { isPair = true; ch = state.input.charCodeAt(++state.position); skipSeparationSpace(state, true, nodeIndent); composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); valueNode = state.result; } if (isMapping) { storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode); } else if (isPair) { _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode)); } else { _result.push(keyNode); } skipSeparationSpace(state, true, nodeIndent); ch = state.input.charCodeAt(state.position); if (ch === 0x2C/* , */) { readNext = true; ch = state.input.charCodeAt(++state.position); } else { readNext = false; } } throwError(state, 'unexpected end of the stream within a flow collection'); } function readBlockScalar(state, nodeIndent) { var captureStart, folding, chomping = CHOMPING_CLIP, didReadContent = false, detectedIndent = false, textIndent = nodeIndent, emptyLines = 0, atMoreIndented = false, tmp, ch; ch = state.input.charCodeAt(state.position); if (ch === 0x7C/* | */) { folding = false; } else if (ch === 0x3E/* > */) { folding = true; } else { return false; } state.kind = 'scalar'; state.result = ''; while (ch !== 0) { ch = state.input.charCodeAt(++state.position); if (ch === 0x2B/* + */ || ch === 0x2D/* - */) { if (CHOMPING_CLIP === chomping) { chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP; } else { throwError(state, 'repeat of a chomping mode identifier'); } } else if ((tmp = fromDecimalCode(ch)) >= 0) { if (tmp === 0) { throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one'); } else if (!detectedIndent) { textIndent = nodeIndent + tmp - 1; detectedIndent = true; } else { throwError(state, 'repeat of an indentation width identifier'); } } else { break; } } if (is_WHITE_SPACE(ch)) { do { ch = state.input.charCodeAt(++state.position); } while (is_WHITE_SPACE(ch)); if (ch === 0x23/* # */) { do { ch = state.input.charCodeAt(++state.position); } while (!is_EOL(ch) && (ch !== 0)); } } while (ch !== 0) { readLineBreak(state); state.lineIndent = 0; ch = state.input.charCodeAt(state.position); while ((!detectedIndent || state.lineIndent < textIndent) && (ch === 0x20/* Space */)) { state.lineIndent++; ch = state.input.charCodeAt(++state.position); } if (!detectedIndent && state.lineIndent > textIndent) { textIndent = state.lineIndent; } if (is_EOL(ch)) { emptyLines++; continue; } // End of the scalar. if (state.lineIndent < textIndent) { // Perform the chomping. if (chomping === CHOMPING_KEEP) { state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); } else if (chomping === CHOMPING_CLIP) { if (didReadContent) { // i.e. only if the scalar is not empty. state.result += '\n'; } } // Break this `while` cycle and go to the funciton's epilogue. break; } // Folded style: use fancy rules to handle line breaks. if (folding) { // Lines starting with white space characters (more-indented lines) are not folded. if (is_WHITE_SPACE(ch)) { atMoreIndented = true; // except for the first content line (cf. Example 8.1) state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); // End of more-indented block. } else if (atMoreIndented) { atMoreIndented = false; state.result += common.repeat('\n', emptyLines + 1); // Just one line break - perceive as the same line. } else if (emptyLines === 0) { if (didReadContent) { // i.e. only if we have already read some scalar content. state.result += ' '; } // Several line breaks - perceive as different lines. } else { state.result += common.repeat('\n', emptyLines); } // Literal style: just add exact number of line breaks between content lines. } else { // Keep all line breaks except the header line break. state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); } didReadContent = true; detectedIndent = true; emptyLines = 0; captureStart = state.position; while (!is_EOL(ch) && (ch !== 0)) { ch = state.input.charCodeAt(++state.position); } captureSegment(state, captureStart, state.position, false); } return true; } function readBlockSequence(state, nodeIndent) { var _line, _tag = state.tag, _anchor = state.anchor, _result = [], following, detected = false, ch; if (state.anchor !== null) { state.anchorMap[state.anchor] = _result; } ch = state.input.charCodeAt(state.position); while (ch !== 0) { if (ch !== 0x2D/* - */) { break; } following = state.input.charCodeAt(state.position + 1); if (!is_WS_OR_EOL(following)) { break; } detected = true; state.position++; if (skipSeparationSpace(state, true, -1)) { if (state.lineIndent <= nodeIndent) { _result.push(null); ch = state.input.charCodeAt(state.position); continue; } } _line = state.line; composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true); _result.push(state.result); skipSeparationSpace(state, true, -1); ch = state.input.charCodeAt(state.position); if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { throwError(state, 'bad indentation of a sequence entry'); } else if (state.lineIndent < nodeIndent) { break; } } if (detected) { state.tag = _tag; state.anchor = _anchor; state.kind = 'sequence'; state.result = _result; return true; } return false; } function readBlockMapping(state, nodeIndent, flowIndent) { var following, allowCompact, _line, _pos, _tag = state.tag, _anchor = state.anchor, _result = {}, overridableKeys = {}, keyTag = null, keyNode = null, valueNode = null, atExplicitKey = false, detected = false, ch; if (state.anchor !== null) { state.anchorMap[state.anchor] = _result; } ch = state.input.charCodeAt(state.position); while (ch !== 0) { following = state.input.charCodeAt(state.position + 1); _line = state.line; // Save the current line. _pos = state.position; // // Explicit notation case. There are two separate blocks: // first for the key (denoted by "?") and second for the value (denoted by ":") // if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) { if (ch === 0x3F/* ? */) { if (atExplicitKey) { storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); keyTag = keyNode = valueNode = null; } detected = true; atExplicitKey = true; allowCompact = true; } else if (atExplicitKey) { // i.e. 0x3A/* : */ === character after the explicit key. atExplicitKey = false; allowCompact = true; } else { throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line'); } state.position += 1; ch = following; // // Implicit notation case. Flow-style node as the key first, then ":", and the value. // } else if (composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) { if (state.line === _line) { ch = state.input.charCodeAt(state.position); while (is_WHITE_SPACE(ch)) { ch = state.input.charCodeAt(++state.position); } if (ch === 0x3A/* : */) { ch = state.input.charCodeAt(++state.position); if (!is_WS_OR_EOL(ch)) { throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping'); } if (atExplicitKey) { storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); keyTag = keyNode = valueNode = null; } detected = true; atExplicitKey = false; allowCompact = false; keyTag = state.tag; keyNode = state.result; } else if (detected) { throwError(state, 'can not read an implicit mapping pair; a colon is missed'); } else { state.tag = _tag; state.anchor = _anchor; return true; // Keep the result of `composeNode`. } } else if (detected) { throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key'); } else { state.tag = _tag; state.anchor = _anchor; return true; // Keep the result of `composeNode`. } } else { break; // Reading is done. Go to the epilogue. } // // Common reading code for both explicit and implicit notations. // if (state.line === _line || state.lineIndent > nodeIndent) { if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) { if (atExplicitKey) { keyNode = state.result; } else { valueNode = state.result; } } if (!atExplicitKey) { storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _pos); keyTag = keyNode = valueNode = null; } skipSeparationSpace(state, true, -1); ch = state.input.charCodeAt(state.position); } if (state.lineIndent > nodeIndent && (ch !== 0)) { throwError(state, 'bad indentation of a mapping entry'); } else if (state.lineIndent < nodeIndent) { break; } } // // Epilogue. // // Special case: last mapping's node contains only the key in explicit notation. if (atExplicitKey) { storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); } // Expose the resulting mapping. if (detected) { state.tag = _tag; state.anchor = _anchor; state.kind = 'mapping'; state.result = _result; } return detected; } function readTagProperty(state) { var _position, isVerbatim = false, isNamed = false, tagHandle, tagName, ch; ch = state.input.charCodeAt(state.position); if (ch !== 0x21/* ! */) return false; if (state.tag !== null) { throwError(state, 'duplication of a tag property'); } ch = state.input.charCodeAt(++state.position); if (ch === 0x3C/* < */) { isVerbatim = true; ch = state.input.charCodeAt(++state.position); } else if (ch === 0x21/* ! */) { isNamed = true; tagHandle = '!!'; ch = state.input.charCodeAt(++state.position); } else { tagHandle = '!'; } _position = state.position; if (isVerbatim) { do { ch = state.input.charCodeAt(++state.position); } while (ch !== 0 && ch !== 0x3E/* > */); if (state.position < state.length) { tagName = state.input.slice(_position, state.position); ch = state.input.charCodeAt(++state.position); } else { throwError(state, 'unexpected end of the stream within a verbatim tag'); } } else { while (ch !== 0 && !is_WS_OR_EOL(ch)) { if (ch === 0x21/* ! */) { if (!isNamed) { tagHandle = state.input.slice(_position - 1, state.position + 1); if (!PATTERN_TAG_HANDLE.test(tagHandle)) { throwError(state, 'named tag handle cannot contain such characters'); } isNamed = true; _position = state.position + 1; } else { throwError(state, 'tag suffix cannot contain exclamation marks'); } } ch = state.input.charCodeAt(++state.position); } tagName = state.input.slice(_position, state.position); if (PATTERN_FLOW_INDICATORS.test(tagName)) { throwError(state, 'tag suffix cannot contain flow indicator characters'); } } if (tagName && !PATTERN_TAG_URI.test(tagName)) { throwError(state, 'tag name cannot contain such characters: ' + tagName); } if (isVerbatim) { state.tag = tagName; } else if (_hasOwnProperty.call(state.tagMap, tagHandle)) { state.tag = state.tagMap[tagHandle] + tagName; } else if (tagHandle === '!') { state.tag = '!' + tagName; } else if (tagHandle === '!!') { state.tag = 'tag:yaml.org,2002:' + tagName; } else { throwError(state, 'undeclared tag handle "' + tagHandle + '"'); } return true; } function readAnchorProperty(state) { var _position, ch; ch = state.input.charCodeAt(state.position); if (ch !== 0x26/* & */) return false; if (state.anchor !== null) { throwError(state, 'duplication of an anchor property'); } ch = state.input.charCodeAt(++state.position); _position = state.position; while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { ch = state.input.charCodeAt(++state.position); } if (state.position === _position) { throwError(state, 'name of an anchor node must contain at least one character'); } state.anchor = state.input.slice(_position, state.position); return true; } function readAlias(state) { var _position, alias, ch; ch = state.input.charCodeAt(state.position); if (ch !== 0x2A/* * */) return false; ch = state.input.charCodeAt(++state.position); _position = state.position; while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { ch = state.input.charCodeAt(++state.position); } if (state.position === _position) { throwError(state, 'name of an alias node must contain at least one character'); } alias = state.input.slice(_position, state.position); if (!_hasOwnProperty.call(state.anchorMap, alias)) { throwError(state, 'unidentified alias "' + alias + '"'); } state.result = state.anchorMap[alias]; skipSeparationSpace(state, true, -1); return true; } function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) { var allowBlockStyles, allowBlockScalars, allowBlockCollections, indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this parentIndent) { indentStatus = 1; } else if (state.lineIndent === parentIndent) { indentStatus = 0; } else if (state.lineIndent < parentIndent) { indentStatus = -1; } } } if (indentStatus === 1) { while (readTagProperty(state) || readAnchorProperty(state)) { if (skipSeparationSpace(state, true, -1)) { atNewLine = true; allowBlockCollections = allowBlockStyles; if (state.lineIndent > parentIndent) { indentStatus = 1; } else if (state.lineIndent === parentIndent) { indentStatus = 0; } else if (state.lineIndent < parentIndent) { indentStatus = -1; } } else { allowBlockCollections = false; } } } if (allowBlockCollections) { allowBlockCollections = atNewLine || allowCompact; } if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) { if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) { flowIndent = parentIndent; } else { flowIndent = parentIndent + 1; } blockIndent = state.position - state.lineStart; if (indentStatus === 1) { if (allowBlockCollections && (readBlockSequence(state, blockIndent) || readBlockMapping(state, blockIndent, flowIndent)) || readFlowCollection(state, flowIndent)) { hasContent = true; } else { if ((allowBlockScalars && readBlockScalar(state, flowIndent)) || readSingleQuotedScalar(state, flowIndent) || readDoubleQuotedScalar(state, flowIndent)) { hasContent = true; } else if (readAlias(state)) { hasContent = true; if (state.tag !== null || state.anchor !== null) { throwError(state, 'alias node should not have any properties'); } } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) { hasContent = true; if (state.tag === null) { state.tag = '?'; } } if (state.anchor !== null) { state.anchorMap[state.anchor] = state.result; } } } else if (indentStatus === 0) { // Special case: block sequences are allowed to have same indentation level as the parent. // http://www.yaml.org/spec/1.2/spec.html#id2799784 hasContent = allowBlockCollections && readBlockSequence(state, blockIndent); } } if (state.tag !== null && state.tag !== '!') { if (state.tag === '?') { // Implicit resolving is not allowed for non-scalar types, and '?' // non-specific tag is only automatically assigned to plain scalars. // // We only need to check kind conformity in case user explicitly assigns '?' // tag, for example like this: "! [0]" // if (state.result !== null && state.kind !== 'scalar') { throwError(state, 'unacceptable node kind for ! tag; it should be "scalar", not "' + state.kind + '"'); } for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) { type = state.implicitTypes[typeIndex]; if (type.resolve(state.result)) { // `state.result` updated in resolver if matched state.result = type.construct(state.result); state.tag = type.tag; if (state.anchor !== null) { state.anchorMap[state.anchor] = state.result; } break; } } } else if (_hasOwnProperty.call(state.typeMap[state.kind || 'fallback'], state.tag)) { type = state.typeMap[state.kind || 'fallback'][state.tag]; if (state.result !== null && type.kind !== state.kind) { throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"'); } if (!type.resolve(state.result)) { // `state.result` updated in resolver if matched throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag'); } else { state.result = type.construct(state.result); if (state.anchor !== null) { state.anchorMap[state.anchor] = state.result; } } } else { throwError(state, 'unknown tag !<' + state.tag + '>'); } } if (state.listener !== null) { state.listener('close', state); } return state.tag !== null || state.anchor !== null || hasContent; } function readDocument(state) { var documentStart = state.position, _position, directiveName, directiveArgs, hasDirectives = false, ch; state.version = null; state.checkLineBreaks = state.legacy; state.tagMap = {}; state.anchorMap = {}; while ((ch = state.input.charCodeAt(state.position)) !== 0) { skipSeparationSpace(state, true, -1); ch = state.input.charCodeAt(state.position); if (state.lineIndent > 0 || ch !== 0x25/* % */) { break; } hasDirectives = true; ch = state.input.charCodeAt(++state.position); _position = state.position; while (ch !== 0 && !is_WS_OR_EOL(ch)) { ch = state.input.charCodeAt(++state.position); } directiveName = state.input.slice(_position, state.position); directiveArgs = []; if (directiveName.length < 1) { throwError(state, 'directive name must not be less than one character in length'); } while (ch !== 0) { while (is_WHITE_SPACE(ch)) { ch = state.input.charCodeAt(++state.position); } if (ch === 0x23/* # */) { do { ch = state.input.charCodeAt(++state.position); } while (ch !== 0 && !is_EOL(ch)); break; } if (is_EOL(ch)) break; _position = state.position; while (ch !== 0 && !is_WS_OR_EOL(ch)) { ch = state.input.charCodeAt(++state.position); } directiveArgs.push(state.input.slice(_position, state.position)); } if (ch !== 0) readLineBreak(state); if (_hasOwnProperty.call(directiveHandlers, directiveName)) { directiveHandlers[directiveName](state, directiveName, directiveArgs); } else { throwWarning(state, 'unknown document directive "' + directiveName + '"'); } } skipSeparationSpace(state, true, -1); if (state.lineIndent === 0 && state.input.charCodeAt(state.position) === 0x2D/* - */ && state.input.charCodeAt(state.position + 1) === 0x2D/* - */ && state.input.charCodeAt(state.position + 2) === 0x2D/* - */) { state.position += 3; skipSeparationSpace(state, true, -1); } else if (hasDirectives) { throwError(state, 'directives end mark is expected'); } composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true); skipSeparationSpace(state, true, -1); if (state.checkLineBreaks && PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) { throwWarning(state, 'non-ASCII line breaks are interpreted as content'); } state.documents.push(state.result); if (state.position === state.lineStart && testDocumentSeparator(state)) { if (state.input.charCodeAt(state.position) === 0x2E/* . */) { state.position += 3; skipSeparationSpace(state, true, -1); } return; } if (state.position < (state.length - 1)) { throwError(state, 'end of the stream or a document separator is expected'); } else { return; } } function loadDocuments(input, options) { input = String(input); options = options || {}; if (input.length !== 0) { // Add tailing `\n` if not exists if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ && input.charCodeAt(input.length - 1) !== 0x0D/* CR */) { input += '\n'; } // Strip BOM if (input.charCodeAt(0) === 0xFEFF) { input = input.slice(1); } } var state = new State(input, options); var nullpos = input.indexOf('\0'); if (nullpos !== -1) { state.position = nullpos; throwError(state, 'null byte is not allowed in input'); } // Use 0 as string terminator. That significantly simplifies bounds check. state.input += '\0'; while (state.input.charCodeAt(state.position) === 0x20/* Space */) { state.lineIndent += 1; state.position += 1; } while (state.position < (state.length - 1)) { readDocument(state); } return state.documents; } function loadAll(input, iterator, options) { if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') { options = iterator; iterator = null; } var documents = loadDocuments(input, options); if (typeof iterator !== 'function') { return documents; } for (var index = 0, length = documents.length; index < length; index += 1) { iterator(documents[index]); } } function load(input, options) { var documents = loadDocuments(input, options); if (documents.length === 0) { /*eslint-disable no-undefined*/ return undefined; } else if (documents.length === 1) { return documents[0]; } throw new YAMLException('expected a single document in the stream, but found more'); } function safeLoadAll(input, iterator, options) { if (typeof iterator === 'object' && iterator !== null && typeof options === 'undefined') { options = iterator; iterator = null; } return loadAll(input, iterator, common.extend({ schema: DEFAULT_SAFE_SCHEMA }, options)); } function safeLoad(input, options) { return load(input, common.extend({ schema: DEFAULT_SAFE_SCHEMA }, options)); } module.exports.loadAll = loadAll; module.exports.load = load; module.exports.safeLoadAll = safeLoadAll; module.exports.safeLoad = safeLoad; },{"./common":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/common.js","./exception":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/exception.js","./mark":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/mark.js","./schema/default_full":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/default_full.js","./schema/default_safe":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/default_safe.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/mark.js":[function(require,module,exports){ 'use strict'; var common = require('./common'); function Mark(name, buffer, position, line, column) { this.name = name; this.buffer = buffer; this.position = position; this.line = line; this.column = column; } Mark.prototype.getSnippet = function getSnippet(indent, maxLength) { var head, start, tail, end, snippet; if (!this.buffer) return null; indent = indent || 4; maxLength = maxLength || 75; head = ''; start = this.position; while (start > 0 && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(start - 1)) === -1) { start -= 1; if (this.position - start > (maxLength / 2 - 1)) { head = ' ... '; start += 5; break; } } tail = ''; end = this.position; while (end < this.buffer.length && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(end)) === -1) { end += 1; if (end - this.position > (maxLength / 2 - 1)) { tail = ' ... '; end -= 5; break; } } snippet = this.buffer.slice(start, end); return common.repeat(' ', indent) + head + snippet + tail + '\n' + common.repeat(' ', indent + this.position - start + head.length) + '^'; }; Mark.prototype.toString = function toString(compact) { var snippet, where = ''; if (this.name) { where += 'in "' + this.name + '" '; } where += 'at line ' + (this.line + 1) + ', column ' + (this.column + 1); if (!compact) { snippet = this.getSnippet(); if (snippet) { where += ':\n' + snippet; } } return where; }; module.exports = Mark; },{"./common":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/common.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema.js":[function(require,module,exports){ 'use strict'; /*eslint-disable max-len*/ var common = require('./common'); var YAMLException = require('./exception'); var Type = require('./type'); function compileList(schema, name, result) { var exclude = []; schema.include.forEach(function (includedSchema) { result = compileList(includedSchema, name, result); }); schema[name].forEach(function (currentType) { result.forEach(function (previousType, previousIndex) { if (previousType.tag === currentType.tag && previousType.kind === currentType.kind) { exclude.push(previousIndex); } }); result.push(currentType); }); return result.filter(function (type, index) { return exclude.indexOf(index) === -1; }); } function compileMap(/* lists... */) { var result = { scalar: {}, sequence: {}, mapping: {}, fallback: {} }, index, length; function collectType(type) { result[type.kind][type.tag] = result['fallback'][type.tag] = type; } for (index = 0, length = arguments.length; index < length; index += 1) { arguments[index].forEach(collectType); } return result; } function Schema(definition) { this.include = definition.include || []; this.implicit = definition.implicit || []; this.explicit = definition.explicit || []; this.implicit.forEach(function (type) { if (type.loadKind && type.loadKind !== 'scalar') { throw new YAMLException('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.'); } }); this.compiledImplicit = compileList(this, 'implicit', []); this.compiledExplicit = compileList(this, 'explicit', []); this.compiledTypeMap = compileMap(this.compiledImplicit, this.compiledExplicit); } Schema.DEFAULT = null; Schema.create = function createSchema() { var schemas, types; switch (arguments.length) { case 1: schemas = Schema.DEFAULT; types = arguments[0]; break; case 2: schemas = arguments[0]; types = arguments[1]; break; default: throw new YAMLException('Wrong number of arguments for Schema.create function'); } schemas = common.toArray(schemas); types = common.toArray(types); if (!schemas.every(function (schema) { return schema instanceof Schema; })) { throw new YAMLException('Specified list of super schemas (or a single Schema object) contains a non-Schema object.'); } if (!types.every(function (type) { return type instanceof Type; })) { throw new YAMLException('Specified list of YAML types (or a single Type object) contains a non-Type object.'); } return new Schema({ include: schemas, explicit: types }); }; module.exports = Schema; },{"./common":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/common.js","./exception":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/exception.js","./type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/core.js":[function(require,module,exports){ // Standard YAML's Core schema. // http://www.yaml.org/spec/1.2/spec.html#id2804923 // // NOTE: JS-YAML does not support schema-specific tag resolution restrictions. // So, Core schema has no distinctions from JSON schema is JS-YAML. 'use strict'; var Schema = require('../schema'); module.exports = new Schema({ include: [ require('./json') ] }); },{"../schema":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema.js","./json":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/json.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/default_full.js":[function(require,module,exports){ // JS-YAML's default schema for `load` function. // It is not described in the YAML specification. // // This schema is based on JS-YAML's default safe schema and includes // JavaScript-specific types: !!js/undefined, !!js/regexp and !!js/function. // // Also this schema is used as default base schema at `Schema.create` function. 'use strict'; var Schema = require('../schema'); module.exports = Schema.DEFAULT = new Schema({ include: [ require('./default_safe') ], explicit: [ require('../type/js/undefined'), require('../type/js/regexp'), require('../type/js/function') ] }); },{"../schema":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema.js","../type/js/function":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/js/function.js","../type/js/regexp":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/js/regexp.js","../type/js/undefined":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/js/undefined.js","./default_safe":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/default_safe.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/default_safe.js":[function(require,module,exports){ // JS-YAML's default schema for `safeLoad` function. // It is not described in the YAML specification. // // This schema is based on standard YAML's Core schema and includes most of // extra types described at YAML tag repository. (http://yaml.org/type/) 'use strict'; var Schema = require('../schema'); module.exports = new Schema({ include: [ require('./core') ], implicit: [ require('../type/timestamp'), require('../type/merge') ], explicit: [ require('../type/binary'), require('../type/omap'), require('../type/pairs'), require('../type/set') ] }); },{"../schema":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema.js","../type/binary":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/binary.js","../type/merge":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/merge.js","../type/omap":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/omap.js","../type/pairs":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/pairs.js","../type/set":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/set.js","../type/timestamp":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/timestamp.js","./core":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/core.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/failsafe.js":[function(require,module,exports){ // Standard YAML's Failsafe schema. // http://www.yaml.org/spec/1.2/spec.html#id2802346 'use strict'; var Schema = require('../schema'); module.exports = new Schema({ explicit: [ require('../type/str'), require('../type/seq'), require('../type/map') ] }); },{"../schema":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema.js","../type/map":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/map.js","../type/seq":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/seq.js","../type/str":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/str.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/json.js":[function(require,module,exports){ // Standard YAML's JSON schema. // http://www.yaml.org/spec/1.2/spec.html#id2803231 // // NOTE: JS-YAML does not support schema-specific tag resolution restrictions. // So, this schema is not such strict as defined in the YAML specification. // It allows numbers in binary notaion, use `Null` and `NULL` as `null`, etc. 'use strict'; var Schema = require('../schema'); module.exports = new Schema({ include: [ require('./failsafe') ], implicit: [ require('../type/null'), require('../type/bool'), require('../type/int'), require('../type/float') ] }); },{"../schema":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema.js","../type/bool":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/bool.js","../type/float":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/float.js","../type/int":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/int.js","../type/null":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/null.js","./failsafe":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/schema/failsafe.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js":[function(require,module,exports){ 'use strict'; var YAMLException = require('./exception'); var TYPE_CONSTRUCTOR_OPTIONS = [ 'kind', 'resolve', 'construct', 'instanceOf', 'predicate', 'represent', 'defaultStyle', 'styleAliases' ]; var YAML_NODE_KINDS = [ 'scalar', 'sequence', 'mapping' ]; function compileStyleAliases(map) { var result = {}; if (map !== null) { Object.keys(map).forEach(function (style) { map[style].forEach(function (alias) { result[String(alias)] = style; }); }); } return result; } function Type(tag, options) { options = options || {}; Object.keys(options).forEach(function (name) { if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) { throw new YAMLException('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.'); } }); // TODO: Add tag format check. this.tag = tag; this.kind = options['kind'] || null; this.resolve = options['resolve'] || function () { return true; }; this.construct = options['construct'] || function (data) { return data; }; this.instanceOf = options['instanceOf'] || null; this.predicate = options['predicate'] || null; this.represent = options['represent'] || null; this.defaultStyle = options['defaultStyle'] || null; this.styleAliases = compileStyleAliases(options['styleAliases'] || null); if (YAML_NODE_KINDS.indexOf(this.kind) === -1) { throw new YAMLException('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.'); } } module.exports = Type; },{"./exception":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/exception.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/binary.js":[function(require,module,exports){ 'use strict'; /*eslint-disable no-bitwise*/ var NodeBuffer; try { // A trick for browserified version, to not include `Buffer` shim var _require = require; NodeBuffer = _require('buffer').Buffer; } catch (__) {} var Type = require('../type'); // [ 64, 65, 66 ] -> [ padding, CR, LF ] var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r'; function resolveYamlBinary(data) { if (data === null) return false; var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP; // Convert one by one. for (idx = 0; idx < max; idx++) { code = map.indexOf(data.charAt(idx)); // Skip CR/LF if (code > 64) continue; // Fail on illegal characters if (code < 0) return false; bitlen += 6; } // If there are any bits left, source was corrupted return (bitlen % 8) === 0; } function constructYamlBinary(data) { var idx, tailbits, input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan max = input.length, map = BASE64_MAP, bits = 0, result = []; // Collect by 6*4 bits (3 bytes) for (idx = 0; idx < max; idx++) { if ((idx % 4 === 0) && idx) { result.push((bits >> 16) & 0xFF); result.push((bits >> 8) & 0xFF); result.push(bits & 0xFF); } bits = (bits << 6) | map.indexOf(input.charAt(idx)); } // Dump tail tailbits = (max % 4) * 6; if (tailbits === 0) { result.push((bits >> 16) & 0xFF); result.push((bits >> 8) & 0xFF); result.push(bits & 0xFF); } else if (tailbits === 18) { result.push((bits >> 10) & 0xFF); result.push((bits >> 2) & 0xFF); } else if (tailbits === 12) { result.push((bits >> 4) & 0xFF); } // Wrap into Buffer for NodeJS and leave Array for browser if (NodeBuffer) { // Support node 6.+ Buffer API when available return NodeBuffer.from ? NodeBuffer.from(result) : new NodeBuffer(result); } return result; } function representYamlBinary(object /*, style*/) { var result = '', bits = 0, idx, tail, max = object.length, map = BASE64_MAP; // Convert every three bytes to 4 ASCII characters. for (idx = 0; idx < max; idx++) { if ((idx % 3 === 0) && idx) { result += map[(bits >> 18) & 0x3F]; result += map[(bits >> 12) & 0x3F]; result += map[(bits >> 6) & 0x3F]; result += map[bits & 0x3F]; } bits = (bits << 8) + object[idx]; } // Dump tail tail = max % 3; if (tail === 0) { result += map[(bits >> 18) & 0x3F]; result += map[(bits >> 12) & 0x3F]; result += map[(bits >> 6) & 0x3F]; result += map[bits & 0x3F]; } else if (tail === 2) { result += map[(bits >> 10) & 0x3F]; result += map[(bits >> 4) & 0x3F]; result += map[(bits << 2) & 0x3F]; result += map[64]; } else if (tail === 1) { result += map[(bits >> 2) & 0x3F]; result += map[(bits << 4) & 0x3F]; result += map[64]; result += map[64]; } return result; } function isBinary(object) { return NodeBuffer && NodeBuffer.isBuffer(object); } module.exports = new Type('tag:yaml.org,2002:binary', { kind: 'scalar', resolve: resolveYamlBinary, construct: constructYamlBinary, predicate: isBinary, represent: representYamlBinary }); },{"../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/bool.js":[function(require,module,exports){ 'use strict'; var Type = require('../type'); function resolveYamlBoolean(data) { if (data === null) return false; var max = data.length; return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) || (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE')); } function constructYamlBoolean(data) { return data === 'true' || data === 'True' || data === 'TRUE'; } function isBoolean(object) { return Object.prototype.toString.call(object) === '[object Boolean]'; } module.exports = new Type('tag:yaml.org,2002:bool', { kind: 'scalar', resolve: resolveYamlBoolean, construct: constructYamlBoolean, predicate: isBoolean, represent: { lowercase: function (object) { return object ? 'true' : 'false'; }, uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; }, camelcase: function (object) { return object ? 'True' : 'False'; } }, defaultStyle: 'lowercase' }); },{"../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/float.js":[function(require,module,exports){ 'use strict'; var common = require('../common'); var Type = require('../type'); var YAML_FLOAT_PATTERN = new RegExp( // 2.5e4, 2.5 and integers '^(?:[-+]?(?:0|[1-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' + // .2e4, .2 // special case, seems not from spec '|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' + // 20:59 '|[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\\.[0-9_]*' + // .inf '|[-+]?\\.(?:inf|Inf|INF)' + // .nan '|\\.(?:nan|NaN|NAN))$'); function resolveYamlFloat(data) { if (data === null) return false; if (!YAML_FLOAT_PATTERN.test(data) || // Quick hack to not allow integers end with `_` // Probably should update regexp & check speed data[data.length - 1] === '_') { return false; } return true; } function constructYamlFloat(data) { var value, sign, base, digits; value = data.replace(/_/g, '').toLowerCase(); sign = value[0] === '-' ? -1 : 1; digits = []; if ('+-'.indexOf(value[0]) >= 0) { value = value.slice(1); } if (value === '.inf') { return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY; } else if (value === '.nan') { return NaN; } else if (value.indexOf(':') >= 0) { value.split(':').forEach(function (v) { digits.unshift(parseFloat(v, 10)); }); value = 0.0; base = 1; digits.forEach(function (d) { value += d * base; base *= 60; }); return sign * value; } return sign * parseFloat(value, 10); } var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/; function representYamlFloat(object, style) { var res; if (isNaN(object)) { switch (style) { case 'lowercase': return '.nan'; case 'uppercase': return '.NAN'; case 'camelcase': return '.NaN'; } } else if (Number.POSITIVE_INFINITY === object) { switch (style) { case 'lowercase': return '.inf'; case 'uppercase': return '.INF'; case 'camelcase': return '.Inf'; } } else if (Number.NEGATIVE_INFINITY === object) { switch (style) { case 'lowercase': return '-.inf'; case 'uppercase': return '-.INF'; case 'camelcase': return '-.Inf'; } } else if (common.isNegativeZero(object)) { return '-0.0'; } res = object.toString(10); // JS stringifier can build scientific format without dots: 5e-100, // while YAML requres dot: 5.e-100. Fix it with simple hack return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res; } function isFloat(object) { return (Object.prototype.toString.call(object) === '[object Number]') && (object % 1 !== 0 || common.isNegativeZero(object)); } module.exports = new Type('tag:yaml.org,2002:float', { kind: 'scalar', resolve: resolveYamlFloat, construct: constructYamlFloat, predicate: isFloat, represent: representYamlFloat, defaultStyle: 'lowercase' }); },{"../common":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/common.js","../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/int.js":[function(require,module,exports){ 'use strict'; var common = require('../common'); var Type = require('../type'); function isHexCode(c) { return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) || ((0x41/* A */ <= c) && (c <= 0x46/* F */)) || ((0x61/* a */ <= c) && (c <= 0x66/* f */)); } function isOctCode(c) { return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */)); } function isDecCode(c) { return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)); } function resolveYamlInteger(data) { if (data === null) return false; var max = data.length, index = 0, hasDigits = false, ch; if (!max) return false; ch = data[index]; // sign if (ch === '-' || ch === '+') { ch = data[++index]; } if (ch === '0') { // 0 if (index + 1 === max) return true; ch = data[++index]; // base 2, base 8, base 16 if (ch === 'b') { // base 2 index++; for (; index < max; index++) { ch = data[index]; if (ch === '_') continue; if (ch !== '0' && ch !== '1') return false; hasDigits = true; } return hasDigits && ch !== '_'; } if (ch === 'x') { // base 16 index++; for (; index < max; index++) { ch = data[index]; if (ch === '_') continue; if (!isHexCode(data.charCodeAt(index))) return false; hasDigits = true; } return hasDigits && ch !== '_'; } // base 8 for (; index < max; index++) { ch = data[index]; if (ch === '_') continue; if (!isOctCode(data.charCodeAt(index))) return false; hasDigits = true; } return hasDigits && ch !== '_'; } // base 10 (except 0) or base 60 // value should not start with `_`; if (ch === '_') return false; for (; index < max; index++) { ch = data[index]; if (ch === '_') continue; if (ch === ':') break; if (!isDecCode(data.charCodeAt(index))) { return false; } hasDigits = true; } // Should have digits and should not end with `_` if (!hasDigits || ch === '_') return false; // if !base60 - done; if (ch !== ':') return true; // base60 almost not used, no needs to optimize return /^(:[0-5]?[0-9])+$/.test(data.slice(index)); } function constructYamlInteger(data) { var value = data, sign = 1, ch, base, digits = []; if (value.indexOf('_') !== -1) { value = value.replace(/_/g, ''); } ch = value[0]; if (ch === '-' || ch === '+') { if (ch === '-') sign = -1; value = value.slice(1); ch = value[0]; } if (value === '0') return 0; if (ch === '0') { if (value[1] === 'b') return sign * parseInt(value.slice(2), 2); if (value[1] === 'x') return sign * parseInt(value, 16); return sign * parseInt(value, 8); } if (value.indexOf(':') !== -1) { value.split(':').forEach(function (v) { digits.unshift(parseInt(v, 10)); }); value = 0; base = 1; digits.forEach(function (d) { value += (d * base); base *= 60; }); return sign * value; } return sign * parseInt(value, 10); } function isInteger(object) { return (Object.prototype.toString.call(object)) === '[object Number]' && (object % 1 === 0 && !common.isNegativeZero(object)); } module.exports = new Type('tag:yaml.org,2002:int', { kind: 'scalar', resolve: resolveYamlInteger, construct: constructYamlInteger, predicate: isInteger, represent: { binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); }, octal: function (obj) { return obj >= 0 ? '0' + obj.toString(8) : '-0' + obj.toString(8).slice(1); }, decimal: function (obj) { return obj.toString(10); }, /* eslint-disable max-len */ hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); } }, defaultStyle: 'decimal', styleAliases: { binary: [ 2, 'bin' ], octal: [ 8, 'oct' ], decimal: [ 10, 'dec' ], hexadecimal: [ 16, 'hex' ] } }); },{"../common":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/common.js","../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/js/function.js":[function(require,module,exports){ 'use strict'; var esprima; // Browserified version does not have esprima // // 1. For node.js just require module as deps // 2. For browser try to require mudule via external AMD system. // If not found - try to fallback to window.esprima. If not // found too - then fail to parse. // try { // workaround to exclude package from browserify list. var _require = require; esprima = _require('esprima'); } catch (_) { /* eslint-disable no-redeclare */ /* global window */ if (typeof window !== 'undefined') esprima = window.esprima; } var Type = require('../../type'); function resolveJavascriptFunction(data) { if (data === null) return false; try { var source = '(' + data + ')', ast = esprima.parse(source, { range: true }); if (ast.type !== 'Program' || ast.body.length !== 1 || ast.body[0].type !== 'ExpressionStatement' || (ast.body[0].expression.type !== 'ArrowFunctionExpression' && ast.body[0].expression.type !== 'FunctionExpression')) { return false; } return true; } catch (err) { return false; } } function constructJavascriptFunction(data) { /*jslint evil:true*/ var source = '(' + data + ')', ast = esprima.parse(source, { range: true }), params = [], body; if (ast.type !== 'Program' || ast.body.length !== 1 || ast.body[0].type !== 'ExpressionStatement' || (ast.body[0].expression.type !== 'ArrowFunctionExpression' && ast.body[0].expression.type !== 'FunctionExpression')) { throw new Error('Failed to resolve function'); } ast.body[0].expression.params.forEach(function (param) { params.push(param.name); }); body = ast.body[0].expression.body.range; // Esprima's ranges include the first '{' and the last '}' characters on // function expressions. So cut them out. if (ast.body[0].expression.body.type === 'BlockStatement') { /*eslint-disable no-new-func*/ return new Function(params, source.slice(body[0] + 1, body[1] - 1)); } // ES6 arrow functions can omit the BlockStatement. In that case, just return // the body. /*eslint-disable no-new-func*/ return new Function(params, 'return ' + source.slice(body[0], body[1])); } function representJavascriptFunction(object /*, style*/) { return object.toString(); } function isFunction(object) { return Object.prototype.toString.call(object) === '[object Function]'; } module.exports = new Type('tag:yaml.org,2002:js/function', { kind: 'scalar', resolve: resolveJavascriptFunction, construct: constructJavascriptFunction, predicate: isFunction, represent: representJavascriptFunction }); },{"../../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/js/regexp.js":[function(require,module,exports){ 'use strict'; var Type = require('../../type'); function resolveJavascriptRegExp(data) { if (data === null) return false; if (data.length === 0) return false; var regexp = data, tail = /\/([gim]*)$/.exec(data), modifiers = ''; // if regexp starts with '/' it can have modifiers and must be properly closed // `/foo/gim` - modifiers tail can be maximum 3 chars if (regexp[0] === '/') { if (tail) modifiers = tail[1]; if (modifiers.length > 3) return false; // if expression starts with /, is should be properly terminated if (regexp[regexp.length - modifiers.length - 1] !== '/') return false; } return true; } function constructJavascriptRegExp(data) { var regexp = data, tail = /\/([gim]*)$/.exec(data), modifiers = ''; // `/foo/gim` - tail can be maximum 4 chars if (regexp[0] === '/') { if (tail) modifiers = tail[1]; regexp = regexp.slice(1, regexp.length - modifiers.length - 1); } return new RegExp(regexp, modifiers); } function representJavascriptRegExp(object /*, style*/) { var result = '/' + object.source + '/'; if (object.global) result += 'g'; if (object.multiline) result += 'm'; if (object.ignoreCase) result += 'i'; return result; } function isRegExp(object) { return Object.prototype.toString.call(object) === '[object RegExp]'; } module.exports = new Type('tag:yaml.org,2002:js/regexp', { kind: 'scalar', resolve: resolveJavascriptRegExp, construct: constructJavascriptRegExp, predicate: isRegExp, represent: representJavascriptRegExp }); },{"../../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/js/undefined.js":[function(require,module,exports){ 'use strict'; var Type = require('../../type'); function resolveJavascriptUndefined() { return true; } function constructJavascriptUndefined() { /*eslint-disable no-undefined*/ return undefined; } function representJavascriptUndefined() { return ''; } function isUndefined(object) { return typeof object === 'undefined'; } module.exports = new Type('tag:yaml.org,2002:js/undefined', { kind: 'scalar', resolve: resolveJavascriptUndefined, construct: constructJavascriptUndefined, predicate: isUndefined, represent: representJavascriptUndefined }); },{"../../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/map.js":[function(require,module,exports){ 'use strict'; var Type = require('../type'); module.exports = new Type('tag:yaml.org,2002:map', { kind: 'mapping', construct: function (data) { return data !== null ? data : {}; } }); },{"../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/merge.js":[function(require,module,exports){ 'use strict'; var Type = require('../type'); function resolveYamlMerge(data) { return data === '<<' || data === null; } module.exports = new Type('tag:yaml.org,2002:merge', { kind: 'scalar', resolve: resolveYamlMerge }); },{"../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/null.js":[function(require,module,exports){ 'use strict'; var Type = require('../type'); function resolveYamlNull(data) { if (data === null) return true; var max = data.length; return (max === 1 && data === '~') || (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL')); } function constructYamlNull() { return null; } function isNull(object) { return object === null; } module.exports = new Type('tag:yaml.org,2002:null', { kind: 'scalar', resolve: resolveYamlNull, construct: constructYamlNull, predicate: isNull, represent: { canonical: function () { return '~'; }, lowercase: function () { return 'null'; }, uppercase: function () { return 'NULL'; }, camelcase: function () { return 'Null'; } }, defaultStyle: 'lowercase' }); },{"../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/omap.js":[function(require,module,exports){ 'use strict'; var Type = require('../type'); var _hasOwnProperty = Object.prototype.hasOwnProperty; var _toString = Object.prototype.toString; function resolveYamlOmap(data) { if (data === null) return true; var objectKeys = [], index, length, pair, pairKey, pairHasKey, object = data; for (index = 0, length = object.length; index < length; index += 1) { pair = object[index]; pairHasKey = false; if (_toString.call(pair) !== '[object Object]') return false; for (pairKey in pair) { if (_hasOwnProperty.call(pair, pairKey)) { if (!pairHasKey) pairHasKey = true; else return false; } } if (!pairHasKey) return false; if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey); else return false; } return true; } function constructYamlOmap(data) { return data !== null ? data : []; } module.exports = new Type('tag:yaml.org,2002:omap', { kind: 'sequence', resolve: resolveYamlOmap, construct: constructYamlOmap }); },{"../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/pairs.js":[function(require,module,exports){ 'use strict'; var Type = require('../type'); var _toString = Object.prototype.toString; function resolveYamlPairs(data) { if (data === null) return true; var index, length, pair, keys, result, object = data; result = new Array(object.length); for (index = 0, length = object.length; index < length; index += 1) { pair = object[index]; if (_toString.call(pair) !== '[object Object]') return false; keys = Object.keys(pair); if (keys.length !== 1) return false; result[index] = [ keys[0], pair[keys[0]] ]; } return true; } function constructYamlPairs(data) { if (data === null) return []; var index, length, pair, keys, result, object = data; result = new Array(object.length); for (index = 0, length = object.length; index < length; index += 1) { pair = object[index]; keys = Object.keys(pair); result[index] = [ keys[0], pair[keys[0]] ]; } return result; } module.exports = new Type('tag:yaml.org,2002:pairs', { kind: 'sequence', resolve: resolveYamlPairs, construct: constructYamlPairs }); },{"../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/seq.js":[function(require,module,exports){ 'use strict'; var Type = require('../type'); module.exports = new Type('tag:yaml.org,2002:seq', { kind: 'sequence', construct: function (data) { return data !== null ? data : []; } }); },{"../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/set.js":[function(require,module,exports){ 'use strict'; var Type = require('../type'); var _hasOwnProperty = Object.prototype.hasOwnProperty; function resolveYamlSet(data) { if (data === null) return true; var key, object = data; for (key in object) { if (_hasOwnProperty.call(object, key)) { if (object[key] !== null) return false; } } return true; } function constructYamlSet(data) { return data !== null ? data : {}; } module.exports = new Type('tag:yaml.org,2002:set', { kind: 'mapping', resolve: resolveYamlSet, construct: constructYamlSet }); },{"../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/str.js":[function(require,module,exports){ 'use strict'; var Type = require('../type'); module.exports = new Type('tag:yaml.org,2002:str', { kind: 'scalar', construct: function (data) { return data !== null ? data : ''; } }); },{"../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type/timestamp.js":[function(require,module,exports){ 'use strict'; var Type = require('../type'); var YAML_DATE_REGEXP = new RegExp( '^([0-9][0-9][0-9][0-9])' + // [1] year '-([0-9][0-9])' + // [2] month '-([0-9][0-9])$'); // [3] day var YAML_TIMESTAMP_REGEXP = new RegExp( '^([0-9][0-9][0-9][0-9])' + // [1] year '-([0-9][0-9]?)' + // [2] month '-([0-9][0-9]?)' + // [3] day '(?:[Tt]|[ \\t]+)' + // ... '([0-9][0-9]?)' + // [4] hour ':([0-9][0-9])' + // [5] minute ':([0-9][0-9])' + // [6] second '(?:\\.([0-9]*))?' + // [7] fraction '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour '(?::([0-9][0-9]))?))?$'); // [11] tz_minute function resolveYamlTimestamp(data) { if (data === null) return false; if (YAML_DATE_REGEXP.exec(data) !== null) return true; if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true; return false; } function constructYamlTimestamp(data) { var match, year, month, day, hour, minute, second, fraction = 0, delta = null, tz_hour, tz_minute, date; match = YAML_DATE_REGEXP.exec(data); if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data); if (match === null) throw new Error('Date resolve error'); // match: [1] year [2] month [3] day year = +(match[1]); month = +(match[2]) - 1; // JS month starts with 0 day = +(match[3]); if (!match[4]) { // no hour return new Date(Date.UTC(year, month, day)); } // match: [4] hour [5] minute [6] second [7] fraction hour = +(match[4]); minute = +(match[5]); second = +(match[6]); if (match[7]) { fraction = match[7].slice(0, 3); while (fraction.length < 3) { // milli-seconds fraction += '0'; } fraction = +fraction; } // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute if (match[9]) { tz_hour = +(match[10]); tz_minute = +(match[11] || 0); delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds if (match[9] === '-') delta = -delta; } date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction)); if (delta) date.setTime(date.getTime() - delta); return date; } function representYamlTimestamp(object /*, style*/) { return object.toISOString(); } module.exports = new Type('tag:yaml.org,2002:timestamp', { kind: 'scalar', resolve: resolveYamlTimestamp, construct: constructYamlTimestamp, instanceOf: Date, represent: representYamlTimestamp }); },{"../type":"/Users/cuixueying/Final445/node_modules/js-yaml/lib/js-yaml/type.js"}],"/Users/cuixueying/Final445/node_modules/json-schema-traverse/index.js":[function(require,module,exports){ 'use strict'; var traverse = module.exports = function (schema, opts, cb) { // Legacy support for v0.3.1 and earlier. if (typeof opts == 'function') { cb = opts; opts = {}; } cb = opts.cb || cb; var pre = (typeof cb == 'function') ? cb : cb.pre || function() {}; var post = cb.post || function() {}; _traverse(opts, pre, post, schema, '', schema); }; traverse.keywords = { additionalItems: true, items: true, contains: true, additionalProperties: true, propertyNames: true, not: true }; traverse.arrayKeywords = { items: true, allOf: true, anyOf: true, oneOf: true }; traverse.propsKeywords = { definitions: true, properties: true, patternProperties: true, dependencies: true }; traverse.skipKeywords = { default: true, enum: true, const: true, required: true, maximum: true, minimum: true, exclusiveMaximum: true, exclusiveMinimum: true, multipleOf: true, maxLength: true, minLength: true, pattern: true, format: true, maxItems: true, minItems: true, uniqueItems: true, maxProperties: true, minProperties: true }; function _traverse(opts, pre, post, schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) { if (schema && typeof schema == 'object' && !Array.isArray(schema)) { pre(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex); for (var key in schema) { var sch = schema[key]; if (Array.isArray(sch)) { if (key in traverse.arrayKeywords) { for (var i=0; i= 0) || (state % 2 && states === 1 && !start[0])) { var pattern = rule.pattern; pattern.lastIndex = lastIndex; var result = pattern.exec(input); if (result && result.index === lastIndex) { var j = matches.push({ result: result, action: rule.action, length: result[0].length }); if (rule.global) index = j; while (--j > index) { var k = j - 1; if (matches[j].length > matches[k].length) { var temple = matches[j]; matches[j] = matches[k]; matches[k] = temple; } } } } } return matches; } } },{}],"/Users/cuixueying/Final445/node_modules/lower-case-first/lower-case-first.js":[function(require,module,exports){ var lowerCase = require('lower-case') /** * Lower case the first character of a string. * * @param {String} str * @return {String} */ module.exports = function (str, locale) { if (str == null) { return '' } str = String(str) return lowerCase(str.charAt(0), locale) + str.substr(1) } },{"lower-case":"/Users/cuixueying/Final445/node_modules/lower-case/lower-case.js"}],"/Users/cuixueying/Final445/node_modules/lower-case/lower-case.js":[function(require,module,exports){ /** * Special language-specific overrides. * * Source: ftp://ftp.unicode.org/Public/UCD/latest/ucd/SpecialCasing.txt * * @type {Object} */ var LANGUAGES = { tr: { regexp: /\u0130|\u0049|\u0049\u0307/g, map: { '\u0130': '\u0069', '\u0049': '\u0131', '\u0049\u0307': '\u0069' } }, az: { regexp: /[\u0130]/g, map: { '\u0130': '\u0069', '\u0049': '\u0131', '\u0049\u0307': '\u0069' } }, lt: { regexp: /[\u0049\u004A\u012E\u00CC\u00CD\u0128]/g, map: { '\u0049': '\u0069\u0307', '\u004A': '\u006A\u0307', '\u012E': '\u012F\u0307', '\u00CC': '\u0069\u0307\u0300', '\u00CD': '\u0069\u0307\u0301', '\u0128': '\u0069\u0307\u0303' } } } /** * Lowercase a string. * * @param {String} str * @return {String} */ module.exports = function (str, locale) { var lang = LANGUAGES[locale] str = str == null ? '' : String(str) if (lang) { str = str.replace(lang.regexp, function (m) { return lang.map[m] }) } return str.toLowerCase() } },{}],"/Users/cuixueying/Final445/node_modules/nearley/lib/nearley.js":[function(require,module,exports){ (function(root, factory) { if (typeof module === 'object' && module.exports) { module.exports = factory(); } else { root.nearley = factory(); } }(this, function() { function Rule(name, symbols, postprocess) { this.id = ++Rule.highestId; this.name = name; this.symbols = symbols; // a list of literal | regex class | nonterminal this.postprocess = postprocess; return this; } Rule.highestId = 0; Rule.prototype.toString = function(withCursorAt) { var symbolSequence = (typeof withCursorAt === "undefined") ? this.symbols.map(getSymbolShortDisplay).join(' ') : ( this.symbols.slice(0, withCursorAt).map(getSymbolShortDisplay).join(' ') + " ● " + this.symbols.slice(withCursorAt).map(getSymbolShortDisplay).join(' ') ); return this.name + " → " + symbolSequence; } // a State is a rule at a position from a given starting point in the input stream (reference) function State(rule, dot, reference, wantedBy) { this.rule = rule; this.dot = dot; this.reference = reference; this.data = []; this.wantedBy = wantedBy; this.isComplete = this.dot === rule.symbols.length; } State.prototype.toString = function() { return "{" + this.rule.toString(this.dot) + "}, from: " + (this.reference || 0); }; State.prototype.nextState = function(child) { var state = new State(this.rule, this.dot + 1, this.reference, this.wantedBy); state.left = this; state.right = child; if (state.isComplete) { state.data = state.build(); // Having right set here will prevent the right state and its children // form being garbage collected state.right = undefined; } return state; }; State.prototype.build = function() { var children = []; var node = this; do { children.push(node.right.data); node = node.left; } while (node.left); children.reverse(); return children; }; State.prototype.finish = function() { if (this.rule.postprocess) { this.data = this.rule.postprocess(this.data, this.reference, Parser.fail); } }; function Column(grammar, index) { this.grammar = grammar; this.index = index; this.states = []; this.wants = {}; // states indexed by the non-terminal they expect this.scannable = []; // list of states that expect a token this.completed = {}; // states that are nullable } Column.prototype.process = function(nextColumn) { var states = this.states; var wants = this.wants; var completed = this.completed; for (var w = 0; w < states.length; w++) { // nb. we push() during iteration var state = states[w]; if (state.isComplete) { state.finish(); if (state.data !== Parser.fail) { // complete var wantedBy = state.wantedBy; for (var i = wantedBy.length; i--; ) { // this line is hot var left = wantedBy[i]; this.complete(left, state); } // special-case nullables if (state.reference === this.index) { // make sure future predictors of this rule get completed. var exp = state.rule.name; (this.completed[exp] = this.completed[exp] || []).push(state); } } } else { // queue scannable states var exp = state.rule.symbols[state.dot]; if (typeof exp !== 'string') { this.scannable.push(state); continue; } // predict if (wants[exp]) { wants[exp].push(state); if (completed.hasOwnProperty(exp)) { var nulls = completed[exp]; for (var i = 0; i < nulls.length; i++) { var right = nulls[i]; this.complete(state, right); } } } else { wants[exp] = [state]; this.predict(exp); } } } } Column.prototype.predict = function(exp) { var rules = this.grammar.byName[exp] || []; for (var i = 0; i < rules.length; i++) { var r = rules[i]; var wantedBy = this.wants[exp]; var s = new State(r, 0, this.index, wantedBy); this.states.push(s); } } Column.prototype.complete = function(left, right) { var copy = left.nextState(right); this.states.push(copy); } function Grammar(rules, start) { this.rules = rules; this.start = start || this.rules[0].name; var byName = this.byName = {}; this.rules.forEach(function(rule) { if (!byName.hasOwnProperty(rule.name)) { byName[rule.name] = []; } byName[rule.name].push(rule); }); } // So we can allow passing (rules, start) directly to Parser for backwards compatibility Grammar.fromCompiled = function(rules, start) { var lexer = rules.Lexer; if (rules.ParserStart) { start = rules.ParserStart; rules = rules.ParserRules; } var rules = rules.map(function (r) { return (new Rule(r.name, r.symbols, r.postprocess)); }); var g = new Grammar(rules, start); g.lexer = lexer; // nb. storing lexer on Grammar is iffy, but unavoidable return g; } function StreamLexer() { this.reset(""); } StreamLexer.prototype.reset = function(data, state) { this.buffer = data; this.index = 0; this.line = state ? state.line : 1; this.lastLineBreak = state ? -state.col : 0; } StreamLexer.prototype.next = function() { if (this.index < this.buffer.length) { var ch = this.buffer[this.index++]; if (ch === '\n') { this.line += 1; this.lastLineBreak = this.index; } return {value: ch}; } } StreamLexer.prototype.save = function() { return { line: this.line, col: this.index - this.lastLineBreak, } } StreamLexer.prototype.formatError = function(token, message) { // nb. this gets called after consuming the offending token, // so the culprit is index-1 var buffer = this.buffer; if (typeof buffer === 'string') { var lines = buffer .split("\n") .slice( Math.max(0, this.line - 5), this.line ); var nextLineBreak = buffer.indexOf('\n', this.index); if (nextLineBreak === -1) nextLineBreak = buffer.length; var col = this.index - this.lastLineBreak; var lastLineDigits = String(this.line).length; message += " at line " + this.line + " col " + col + ":\n\n"; message += lines .map(function(line, i) { return pad(this.line - lines.length + i + 1, lastLineDigits) + " " + line; }, this) .join("\n"); message += "\n" + pad("", lastLineDigits + col) + "^\n"; return message; } else { return message + " at index " + (this.index - 1); } function pad(n, length) { var s = String(n); return Array(length - s.length + 1).join(" ") + s; } } function Parser(rules, start, options) { if (rules instanceof Grammar) { var grammar = rules; var options = start; } else { var grammar = Grammar.fromCompiled(rules, start); } this.grammar = grammar; // Read options this.options = { keepHistory: false, lexer: grammar.lexer || new StreamLexer, }; for (var key in (options || {})) { this.options[key] = options[key]; } // Setup lexer this.lexer = this.options.lexer; this.lexerState = undefined; // Setup a table var column = new Column(grammar, 0); var table = this.table = [column]; // I could be expecting anything. column.wants[grammar.start] = []; column.predict(grammar.start); // TODO what if start rule is nullable? column.process(); this.current = 0; // token index } // create a reserved token for indicating a parse fail Parser.fail = {}; Parser.prototype.feed = function(chunk) { var lexer = this.lexer; lexer.reset(chunk, this.lexerState); var token; while (true) { try { token = lexer.next(); if (!token) { break; } } catch (e) { // Create the next column so that the error reporter // can display the correctly predicted states. var nextColumn = new Column(this.grammar, this.current + 1); this.table.push(nextColumn); var err = new Error(this.reportLexerError(e)); err.offset = this.current; err.token = e.token; throw err; } // We add new states to table[current+1] var column = this.table[this.current]; // GC unused states if (!this.options.keepHistory) { delete this.table[this.current - 1]; } var n = this.current + 1; var nextColumn = new Column(this.grammar, n); this.table.push(nextColumn); // Advance all tokens that expect the symbol var literal = token.text !== undefined ? token.text : token.value; var value = lexer.constructor === StreamLexer ? token.value : token; var scannable = column.scannable; for (var w = scannable.length; w--; ) { var state = scannable[w]; var expect = state.rule.symbols[state.dot]; // Try to consume the token // either regex or literal if (expect.test ? expect.test(value) : expect.type ? expect.type === token.type : expect.literal === literal) { // Add it var next = state.nextState({data: value, token: token, isToken: true, reference: n - 1}); nextColumn.states.push(next); } } // Next, for each of the rules, we either // (a) complete it, and try to see if the reference row expected that // rule // (b) predict the next nonterminal it expects by adding that // nonterminal's start state // To prevent duplication, we also keep track of rules we have already // added nextColumn.process(); // If needed, throw an error: if (nextColumn.states.length === 0) { // No states at all! This is not good. var err = new Error(this.reportError(token)); err.offset = this.current; err.token = token; throw err; } // maybe save lexer state if (this.options.keepHistory) { column.lexerState = lexer.save() } this.current++; } if (column) { this.lexerState = lexer.save() } // Incrementally keep track of results this.results = this.finish(); // Allow chaining, for whatever it's worth return this; }; Parser.prototype.reportLexerError = function(lexerError) { var tokenDisplay, lexerMessage; // Planning to add a token property to moo's thrown error // even on erroring tokens to be used in error display below var token = lexerError.token; if (token) { tokenDisplay = "input " + JSON.stringify(token.text[0]) + " (lexer error)"; lexerMessage = this.lexer.formatError(token, "Syntax error"); } else { tokenDisplay = "input (lexer error)"; lexerMessage = lexerError.message; } return this.reportErrorCommon(lexerMessage, tokenDisplay); }; Parser.prototype.reportError = function(token) { var tokenDisplay = (token.type ? token.type + " token: " : "") + JSON.stringify(token.value !== undefined ? token.value : token); var lexerMessage = this.lexer.formatError(token, "Syntax error"); return this.reportErrorCommon(lexerMessage, tokenDisplay); }; Parser.prototype.reportErrorCommon = function(lexerMessage, tokenDisplay) { var lines = []; lines.push(lexerMessage); var lastColumnIndex = this.table.length - 2; var lastColumn = this.table[lastColumnIndex]; var expectantStates = lastColumn.states .filter(function(state) { var nextSymbol = state.rule.symbols[state.dot]; return nextSymbol && typeof nextSymbol !== "string"; }); if (expectantStates.length === 0) { lines.push('Unexpected ' + tokenDisplay + '. I did not expect any more input. Here is the state of my parse table:\n'); this.displayStateStack(lastColumn.states, lines); } else { lines.push('Unexpected ' + tokenDisplay + '. Instead, I was expecting to see one of the following:\n'); // Display a "state stack" for each expectant state // - which shows you how this state came to be, step by step. // If there is more than one derivation, we only display the first one. var stateStacks = expectantStates .map(function(state) { return this.buildFirstStateStack(state, []) || [state]; }, this); // Display each state that is expecting a terminal symbol next. stateStacks.forEach(function(stateStack) { var state = stateStack[0]; var nextSymbol = state.rule.symbols[state.dot]; var symbolDisplay = this.getSymbolDisplay(nextSymbol); lines.push('A ' + symbolDisplay + ' based on:'); this.displayStateStack(stateStack, lines); }, this); } lines.push(""); return lines.join("\n"); } Parser.prototype.displayStateStack = function(stateStack, lines) { var lastDisplay; var sameDisplayCount = 0; for (var j = 0; j < stateStack.length; j++) { var state = stateStack[j]; var display = state.rule.toString(state.dot); if (display === lastDisplay) { sameDisplayCount++; } else { if (sameDisplayCount > 0) { lines.push(' ^ ' + sameDisplayCount + ' more lines identical to this'); } sameDisplayCount = 0; lines.push(' ' + display); } lastDisplay = display; } }; Parser.prototype.getSymbolDisplay = function(symbol) { return getSymbolLongDisplay(symbol); }; /* Builds a the first state stack. You can think of a state stack as the call stack of the recursive-descent parser which the Nearley parse algorithm simulates. A state stack is represented as an array of state objects. Within a state stack, the first item of the array will be the starting state, with each successive item in the array going further back into history. This function needs to be given a starting state and an empty array representing the visited states, and it returns an single state stack. */ Parser.prototype.buildFirstStateStack = function(state, visited) { if (visited.indexOf(state) !== -1) { // Found cycle, return null // to eliminate this path from the results, because // we don't know how to display it meaningfully return null; } if (state.wantedBy.length === 0) { return [state]; } var prevState = state.wantedBy[0]; var childVisited = [state].concat(visited); var childResult = this.buildFirstStateStack(prevState, childVisited); if (childResult === null) { return null; } return [state].concat(childResult); }; Parser.prototype.save = function() { var column = this.table[this.current]; column.lexerState = this.lexerState; return column; }; Parser.prototype.restore = function(column) { var index = column.index; this.current = index; this.table[index] = column; this.table.splice(index + 1); this.lexerState = column.lexerState; // Incrementally keep track of results this.results = this.finish(); }; // nb. deprecated: use save/restore instead! Parser.prototype.rewind = function(index) { if (!this.options.keepHistory) { throw new Error('set option `keepHistory` to enable rewinding') } // nb. recall column (table) indicies fall between token indicies. // col 0 -- token 0 -- col 1 this.restore(this.table[index]); }; Parser.prototype.finish = function() { // Return the possible parsings var considerations = []; var start = this.grammar.start; var column = this.table[this.table.length - 1] column.states.forEach(function (t) { if (t.rule.name === start && t.dot === t.rule.symbols.length && t.reference === 0 && t.data !== Parser.fail) { considerations.push(t); } }); return considerations.map(function(c) {return c.data; }); }; function getSymbolLongDisplay(symbol) { var type = typeof symbol; if (type === "string") { return symbol; } else if (type === "object") { if (symbol.literal) { return JSON.stringify(symbol.literal); } else if (symbol instanceof RegExp) { return 'character matching ' + symbol; } else if (symbol.type) { return symbol.type + ' token'; } else if (symbol.test) { return 'token matching ' + String(symbol.test); } else { throw new Error('Unknown symbol type: ' + symbol); } } } function getSymbolShortDisplay(symbol) { var type = typeof symbol; if (type === "string") { return symbol; } else if (type === "object") { if (symbol.literal) { return JSON.stringify(symbol.literal); } else if (symbol instanceof RegExp) { return symbol.toString(); } else if (symbol.type) { return '%' + symbol.type; } else if (symbol.test) { return '<' + String(symbol.test) + '>'; } else { throw new Error('Unknown symbol type: ' + symbol); } } } return { Parser: Parser, Grammar: Grammar, Rule: Rule, }; })); },{}],"/Users/cuixueying/Final445/node_modules/no-case/no-case.js":[function(require,module,exports){ var lowerCase = require('lower-case') var NON_WORD_REGEXP = require('./vendor/non-word-regexp') var CAMEL_CASE_REGEXP = require('./vendor/camel-case-regexp') var CAMEL_CASE_UPPER_REGEXP = require('./vendor/camel-case-upper-regexp') /** * Sentence case a string. * * @param {string} str * @param {string} locale * @param {string} replacement * @return {string} */ module.exports = function (str, locale, replacement) { if (str == null) { return '' } replacement = typeof replacement !== 'string' ? ' ' : replacement function replace (match, index, value) { if (index === 0 || index === (value.length - match.length)) { return '' } return replacement } str = String(str) // Support camel case ("camelCase" -> "camel Case"). .replace(CAMEL_CASE_REGEXP, '$1 $2') // Support odd camel case ("CAMELCase" -> "CAMEL Case"). .replace(CAMEL_CASE_UPPER_REGEXP, '$1 $2') // Remove all non-word characters and replace with a single space. .replace(NON_WORD_REGEXP, replace) // Lower case the entire string. return lowerCase(str, locale) } },{"./vendor/camel-case-regexp":"/Users/cuixueying/Final445/node_modules/no-case/vendor/camel-case-regexp.js","./vendor/camel-case-upper-regexp":"/Users/cuixueying/Final445/node_modules/no-case/vendor/camel-case-upper-regexp.js","./vendor/non-word-regexp":"/Users/cuixueying/Final445/node_modules/no-case/vendor/non-word-regexp.js","lower-case":"/Users/cuixueying/Final445/node_modules/lower-case/lower-case.js"}],"/Users/cuixueying/Final445/node_modules/no-case/vendor/camel-case-regexp.js":[function(require,module,exports){ module.exports = 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},{}],"/Users/cuixueying/Final445/node_modules/object-assign/index.js":[function(require,module,exports){ /* object-assign (c) Sindre Sorhus @license MIT */ 'use strict'; /* eslint-disable no-unused-vars */ var getOwnPropertySymbols = Object.getOwnPropertySymbols; var hasOwnProperty = Object.prototype.hasOwnProperty; var propIsEnumerable = Object.prototype.propertyIsEnumerable; function toObject(val) { if (val === null || val === undefined) { throw new TypeError('Object.assign cannot be called with null or undefined'); } return Object(val); } function shouldUseNative() { try { if (!Object.assign) { return false; } // Detect buggy property enumeration order in older V8 versions. // https://bugs.chromium.org/p/v8/issues/detail?id=4118 var test1 = new String('abc'); // eslint-disable-line no-new-wrappers test1[5] = 'de'; if (Object.getOwnPropertyNames(test1)[0] === '5') { return false; } // https://bugs.chromium.org/p/v8/issues/detail?id=3056 var test2 = {}; for (var i = 0; i < 10; i++) { test2['_' + String.fromCharCode(i)] = i; } var order2 = Object.getOwnPropertyNames(test2).map(function (n) { return test2[n]; }); if (order2.join('') !== '0123456789') { return false; } // https://bugs.chromium.org/p/v8/issues/detail?id=3056 var test3 = {}; 'abcdefghijklmnopqrst'.split('').forEach(function (letter) { test3[letter] = letter; }); if (Object.keys(Object.assign({}, test3)).join('') !== 'abcdefghijklmnopqrst') { return false; } return true; } catch (err) { // We don't expect any of the above to throw, but better to be safe. return false; } } module.exports = shouldUseNative() ? Object.assign : function (target, source) { var from; var to = toObject(target); var symbols; for (var s = 1; s < arguments.length; s++) { from = Object(arguments[s]); for (var key in from) { if (hasOwnProperty.call(from, key)) { to[key] = from[key]; } } if (getOwnPropertySymbols) { symbols = getOwnPropertySymbols(from); for (var i = 0; i < symbols.length; i++) { if (propIsEnumerable.call(from, symbols[i])) { to[symbols[i]] = from[symbols[i]]; } } } } return to; }; },{}],"/Users/cuixueying/Final445/node_modules/object-keys/implementation.js":[function(require,module,exports){ 'use strict'; var keysShim; if (!Object.keys) { // modified from https://github.com/es-shims/es5-shim var has = Object.prototype.hasOwnProperty; var toStr = Object.prototype.toString; var isArgs = require('./isArguments'); // eslint-disable-line global-require var isEnumerable = Object.prototype.propertyIsEnumerable; var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString'); var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype'); var dontEnums = [ 'toString', 'toLocaleString', 'valueOf', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'constructor' ]; var equalsConstructorPrototype = function (o) { var ctor = o.constructor; return ctor && ctor.prototype === o; }; var excludedKeys = { $applicationCache: true, $console: true, $external: true, $frame: true, $frameElement: true, $frames: true, $innerHeight: true, $innerWidth: true, $onmozfullscreenchange: true, $onmozfullscreenerror: true, $outerHeight: true, $outerWidth: true, $pageXOffset: true, $pageYOffset: true, $parent: true, $scrollLeft: true, $scrollTop: true, $scrollX: true, $scrollY: true, $self: true, $webkitIndexedDB: true, $webkitStorageInfo: true, $window: true }; var hasAutomationEqualityBug = (function () { /* global window */ if (typeof window === 'undefined') { return false; } for (var k in window) { try { if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') { try { equalsConstructorPrototype(window[k]); } catch (e) { return true; } } } catch (e) { return true; } } return false; }()); var equalsConstructorPrototypeIfNotBuggy = function (o) { /* global window */ if (typeof window === 'undefined' || !hasAutomationEqualityBug) { return equalsConstructorPrototype(o); } try { return equalsConstructorPrototype(o); } catch (e) { return false; } }; keysShim = function keys(object) { var isObject = object !== null && typeof object === 'object'; var isFunction = toStr.call(object) === '[object Function]'; var isArguments = isArgs(object); var isString = isObject && toStr.call(object) === '[object String]'; var theKeys = []; if (!isObject && !isFunction && !isArguments) { throw new TypeError('Object.keys called on a non-object'); } var skipProto = hasProtoEnumBug && isFunction; if (isString && object.length > 0 && !has.call(object, 0)) { for (var i = 0; i < object.length; ++i) { theKeys.push(String(i)); } } if (isArguments && object.length > 0) { for (var j = 0; j < object.length; ++j) { theKeys.push(String(j)); } } else { for (var name in object) { if (!(skipProto && name === 'prototype') && has.call(object, name)) { theKeys.push(String(name)); } } } if (hasDontEnumBug) { var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object); for (var k = 0; k < dontEnums.length; ++k) { if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) { theKeys.push(dontEnums[k]); } } } return theKeys; }; } module.exports = keysShim; },{"./isArguments":"/Users/cuixueying/Final445/node_modules/object-keys/isArguments.js"}],"/Users/cuixueying/Final445/node_modules/object-keys/index.js":[function(require,module,exports){ 'use strict'; var slice = Array.prototype.slice; var isArgs = require('./isArguments'); var origKeys = Object.keys; var keysShim = origKeys ? function keys(o) { return origKeys(o); } : require('./implementation'); var originalKeys = Object.keys; keysShim.shim = function shimObjectKeys() { if (Object.keys) { var keysWorksWithArguments = (function () { // Safari 5.0 bug var args = Object.keys(arguments); return args && args.length === arguments.length; }(1, 2)); if (!keysWorksWithArguments) { Object.keys = function keys(object) { // eslint-disable-line func-name-matching if (isArgs(object)) { return originalKeys(slice.call(object)); } return originalKeys(object); }; } } else { Object.keys = keysShim; } return Object.keys || keysShim; }; module.exports = keysShim; },{"./implementation":"/Users/cuixueying/Final445/node_modules/object-keys/implementation.js","./isArguments":"/Users/cuixueying/Final445/node_modules/object-keys/isArguments.js"}],"/Users/cuixueying/Final445/node_modules/object-keys/isArguments.js":[function(require,module,exports){ 'use strict'; var toStr = Object.prototype.toString; module.exports = function isArguments(value) { var str = toStr.call(value); var isArgs = str === '[object Arguments]'; if (!isArgs) { isArgs = str !== '[object Array]' && value !== null && typeof value === 'object' && typeof value.length === 'number' && value.length >= 0 && toStr.call(value.callee) === '[object Function]'; } return isArgs; }; },{}],"/Users/cuixueying/Final445/node_modules/object.entries/implementation.js":[function(require,module,exports){ 'use strict'; var RequireObjectCoercible = require('es-abstract/2020/RequireObjectCoercible'); var has = require('has'); var callBound = require('call-bind/callBound'); var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable'); module.exports = function entries(O) { var obj = RequireObjectCoercible(O); var entrys = []; for (var key in obj) { if (has(obj, key) && $isEnumerable(obj, key)) { entrys.push([key, obj[key]]); } } return entrys; }; },{"call-bind/callBound":"/Users/cuixueying/Final445/node_modules/call-bind/callBound.js","es-abstract/2020/RequireObjectCoercible":"/Users/cuixueying/Final445/node_modules/es-abstract/2020/RequireObjectCoercible.js","has":"/Users/cuixueying/Final445/node_modules/has/src/index.js"}],"/Users/cuixueying/Final445/node_modules/object.entries/index.js":[function(require,module,exports){ 'use strict'; var define = require('define-properties'); var callBind = require('call-bind'); var implementation = require('./implementation'); var getPolyfill = require('./polyfill'); var shim = require('./shim'); var polyfill = callBind(getPolyfill(), Object); define(polyfill, { getPolyfill: getPolyfill, implementation: implementation, shim: shim }); module.exports = polyfill; },{"./implementation":"/Users/cuixueying/Final445/node_modules/object.entries/implementation.js","./polyfill":"/Users/cuixueying/Final445/node_modules/object.entries/polyfill.js","./shim":"/Users/cuixueying/Final445/node_modules/object.entries/shim.js","call-bind":"/Users/cuixueying/Final445/node_modules/call-bind/index.js","define-properties":"/Users/cuixueying/Final445/node_modules/define-properties/index.js"}],"/Users/cuixueying/Final445/node_modules/object.entries/polyfill.js":[function(require,module,exports){ 'use strict'; var implementation = require('./implementation'); module.exports = function getPolyfill() { return typeof Object.entries === 'function' ? Object.entries : implementation; }; },{"./implementation":"/Users/cuixueying/Final445/node_modules/object.entries/implementation.js"}],"/Users/cuixueying/Final445/node_modules/object.entries/shim.js":[function(require,module,exports){ 'use strict'; var getPolyfill = require('./polyfill'); var define = require('define-properties'); module.exports = function shimEntries() { var polyfill = getPolyfill(); define(Object, { entries: polyfill }, { entries: function testEntries() { return Object.entries !== polyfill; } }); return polyfill; }; },{"./polyfill":"/Users/cuixueying/Final445/node_modules/object.entries/polyfill.js","define-properties":"/Users/cuixueying/Final445/node_modules/define-properties/index.js"}],"/Users/cuixueying/Final445/node_modules/object.values/implementation.js":[function(require,module,exports){ 'use strict'; var has = require('has'); var RequireObjectCoercible = require('es-abstract/2020/RequireObjectCoercible'); var callBound = require('call-bind/callBound'); var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable'); module.exports = function values(O) { var obj = RequireObjectCoercible(O); var vals = []; for (var key in obj) { if (has(obj, key) && $isEnumerable(obj, key)) { vals.push(obj[key]); } } return vals; }; },{"call-bind/callBound":"/Users/cuixueying/Final445/node_modules/call-bind/callBound.js","es-abstract/2020/RequireObjectCoercible":"/Users/cuixueying/Final445/node_modules/es-abstract/2020/RequireObjectCoercible.js","has":"/Users/cuixueying/Final445/node_modules/has/src/index.js"}],"/Users/cuixueying/Final445/node_modules/object.values/index.js":[function(require,module,exports){ arguments[4]["/Users/cuixueying/Final445/node_modules/object.entries/index.js"][0].apply(exports,arguments) },{"./implementation":"/Users/cuixueying/Final445/node_modules/object.values/implementation.js","./polyfill":"/Users/cuixueying/Final445/node_modules/object.values/polyfill.js","./shim":"/Users/cuixueying/Final445/node_modules/object.values/shim.js","call-bind":"/Users/cuixueying/Final445/node_modules/call-bind/index.js","define-properties":"/Users/cuixueying/Final445/node_modules/define-properties/index.js"}],"/Users/cuixueying/Final445/node_modules/object.values/polyfill.js":[function(require,module,exports){ 'use strict'; var implementation = require('./implementation'); module.exports = function getPolyfill() { return typeof Object.values === 'function' ? Object.values : implementation; }; },{"./implementation":"/Users/cuixueying/Final445/node_modules/object.values/implementation.js"}],"/Users/cuixueying/Final445/node_modules/object.values/shim.js":[function(require,module,exports){ 'use strict'; var getPolyfill = require('./polyfill'); var define = require('define-properties'); module.exports = function shimValues() { var polyfill = getPolyfill(); define(Object, { values: polyfill }, { values: function testValues() { return Object.values !== polyfill; } }); return polyfill; }; },{"./polyfill":"/Users/cuixueying/Final445/node_modules/object.values/polyfill.js","define-properties":"/Users/cuixueying/Final445/node_modules/define-properties/index.js"}],"/Users/cuixueying/Final445/node_modules/param-case/param-case.js":[function(require,module,exports){ var noCase = require('no-case') /** * Param case a string. * * @param {string} value * @param {string} [locale] * @return {string} */ module.exports = function (value, locale) { return noCase(value, locale, '-') } },{"no-case":"/Users/cuixueying/Final445/node_modules/no-case/no-case.js"}],"/Users/cuixueying/Final445/node_modules/pascal-case/pascal-case.js":[function(require,module,exports){ var camelCase = require('camel-case') var upperCaseFirst = require('upper-case-first') /** * Pascal case a string. * * @param {string} value * @param {string} [locale] * @param {boolean} [mergeNumbers] * @return {string} */ module.exports = function (value, locale, mergeNumbers) { return upperCaseFirst(camelCase(value, locale, mergeNumbers), locale) } },{"camel-case":"/Users/cuixueying/Final445/node_modules/camel-case/camel-case.js","upper-case-first":"/Users/cuixueying/Final445/node_modules/upper-case-first/upper-case-first.js"}],"/Users/cuixueying/Final445/node_modules/path-case/path-case.js":[function(require,module,exports){ var noCase = require('no-case') /** * Path case a string. * * @param {string} value * @param {string} [locale] * @return {string} */ module.exports = function (value, locale) { return noCase(value, locale, '/') } },{"no-case":"/Users/cuixueying/Final445/node_modules/no-case/no-case.js"}],"/Users/cuixueying/Final445/node_modules/process/browser.js":[function(require,module,exports){ // shim for using process in browser var process = module.exports = {}; // cached from whatever global is present so that test runners that stub it // don't break things. But we need to wrap it in a try catch in case it is // wrapped in strict mode code which doesn't define any globals. It's inside a // function because try/catches deoptimize in certain engines. var cachedSetTimeout; var cachedClearTimeout; function defaultSetTimout() { throw new Error('setTimeout has not been defined'); } function defaultClearTimeout () { throw new Error('clearTimeout has not been defined'); } (function () { try { if (typeof setTimeout === 'function') { cachedSetTimeout = setTimeout; } else { cachedSetTimeout = defaultSetTimout; } } catch (e) { cachedSetTimeout = defaultSetTimout; } try { if (typeof clearTimeout === 'function') { cachedClearTimeout = clearTimeout; } else { cachedClearTimeout = defaultClearTimeout; } } catch (e) { cachedClearTimeout = defaultClearTimeout; } } ()) function runTimeout(fun) { if (cachedSetTimeout === setTimeout) { //normal enviroments in sane situations return setTimeout(fun, 0); } // if setTimeout wasn't available but was latter defined if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { cachedSetTimeout = setTimeout; return setTimeout(fun, 0); } try { // when when somebody has screwed with setTimeout but no I.E. maddness return cachedSetTimeout(fun, 0); } catch(e){ try { // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally return cachedSetTimeout.call(null, fun, 0); } catch(e){ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error return cachedSetTimeout.call(this, fun, 0); } } } function runClearTimeout(marker) { if (cachedClearTimeout === clearTimeout) { //normal enviroments in sane situations return clearTimeout(marker); } // if clearTimeout wasn't available but was latter defined if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { cachedClearTimeout = clearTimeout; return clearTimeout(marker); } try { // when when somebody has screwed with setTimeout but no I.E. maddness return cachedClearTimeout(marker); } catch (e){ try { // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally return cachedClearTimeout.call(null, marker); } catch (e){ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. // Some versions of I.E. have different rules for clearTimeout vs setTimeout return cachedClearTimeout.call(this, marker); } } } var queue = []; var draining = false; var currentQueue; var queueIndex = -1; function cleanUpNextTick() { if (!draining || !currentQueue) { return; } draining = false; if (currentQueue.length) { queue = currentQueue.concat(queue); } else { queueIndex = -1; } if (queue.length) { drainQueue(); } } function drainQueue() { if (draining) { return; } var timeout = runTimeout(cleanUpNextTick); draining = true; var len = queue.length; while(len) { currentQueue = queue; queue = []; while (++queueIndex < len) { if (currentQueue) { currentQueue[queueIndex].run(); } } queueIndex = -1; len = queue.length; } currentQueue = null; draining = false; runClearTimeout(timeout); } process.nextTick = function (fun) { var args = new Array(arguments.length - 1); if (arguments.length > 1) { for (var i = 1; i < arguments.length; i++) { args[i - 1] = arguments[i]; } } queue.push(new Item(fun, args)); if (queue.length === 1 && !draining) { runTimeout(drainQueue); } }; // v8 likes predictible objects function Item(fun, array) { this.fun = fun; this.array = array; } Item.prototype.run = function () { this.fun.apply(null, this.array); }; process.title = 'browser'; process.browser = true; process.env = {}; process.argv = []; process.version = ''; // empty string to avoid regexp issues process.versions = {}; function noop() {} process.on = noop; process.addListener = noop; process.once = noop; process.off = noop; process.removeListener = noop; process.removeAllListeners = noop; process.emit = noop; process.prependListener = noop; process.prependOnceListener = noop; process.listeners = function (name) { return [] } process.binding = function (name) { throw new Error('process.binding is not supported'); }; process.cwd = function () { return '/' }; process.chdir = function (dir) { throw new Error('process.chdir is not supported'); }; process.umask = function() { return 0; }; },{}],"/Users/cuixueying/Final445/node_modules/prop-types/checkPropTypes.js":[function(require,module,exports){ /** * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ 'use strict'; var printWarning = function() {}; if ("development" !== 'production') { var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret'); var loggedTypeFailures = {}; var has = Function.call.bind(Object.prototype.hasOwnProperty); printWarning = function(text) { var message = 'Warning: ' + text; if (typeof console !== 'undefined') { console.error(message); } try { // --- Welcome to debugging React --- // This error was thrown as a convenience so that you can use this stack // to find the callsite that caused this warning to fire. throw new Error(message); } catch (x) {} }; } /** * Assert that the values match with the type specs. * Error messages are memorized and will only be shown once. * * @param {object} typeSpecs Map of name to a ReactPropType * @param {object} values Runtime values that need to be type-checked * @param {string} location e.g. "prop", "context", "child context" * @param {string} componentName Name of the component for error messages. * @param {?Function} getStack Returns the component stack. * @private */ function checkPropTypes(typeSpecs, values, location, componentName, getStack) { if ("development" !== 'production') { for (var typeSpecName in typeSpecs) { if (has(typeSpecs, typeSpecName)) { var error; // Prop type validation may throw. In case they do, we don't want to // fail the render phase where it didn't fail before. So we log it. // After these have been cleaned up, we'll let them throw. try { // This is intentionally an invariant that gets caught. It's the same // behavior as without this statement except with a better message. if (typeof typeSpecs[typeSpecName] !== 'function') { var err = Error( (componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' + 'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.' ); err.name = 'Invariant Violation'; throw err; } error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret); } catch (ex) { error = ex; } if (error && !(error instanceof Error)) { printWarning( (componentName || 'React class') + ': type specification of ' + location + ' `' + typeSpecName + '` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a ' + typeof error + '. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).' ); } if (error instanceof Error && !(error.message in loggedTypeFailures)) { // Only monitor this failure once because there tends to be a lot of the // same error. loggedTypeFailures[error.message] = true; var stack = getStack ? getStack() : ''; printWarning( 'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '') ); } } } } } /** * Resets warning cache when testing. * * @private */ checkPropTypes.resetWarningCache = function() { if ("development" !== 'production') { loggedTypeFailures = {}; } } module.exports = checkPropTypes; },{"./lib/ReactPropTypesSecret":"/Users/cuixueying/Final445/node_modules/prop-types/lib/ReactPropTypesSecret.js"}],"/Users/cuixueying/Final445/node_modules/prop-types/factoryWithThrowingShims.js":[function(require,module,exports){ /** * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ 'use strict'; var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret'); function emptyFunction() {} function emptyFunctionWithReset() {} emptyFunctionWithReset.resetWarningCache = emptyFunction; module.exports = function() { function shim(props, propName, componentName, location, propFullName, secret) { if (secret === ReactPropTypesSecret) { // It is still safe when called from React. return; } var err = new Error( 'Calling PropTypes validators directly is not supported by the `prop-types` package. ' + 'Use PropTypes.checkPropTypes() to call them. ' + 'Read more at http://fb.me/use-check-prop-types' ); err.name = 'Invariant Violation'; throw err; }; shim.isRequired = shim; function getShim() { return shim; }; // Important! // Keep this list in sync with production version in `./factoryWithTypeCheckers.js`. var ReactPropTypes = { array: shim, bool: shim, func: shim, number: shim, object: shim, string: shim, symbol: shim, any: shim, arrayOf: getShim, element: shim, elementType: shim, instanceOf: getShim, node: shim, objectOf: getShim, oneOf: getShim, oneOfType: getShim, shape: getShim, exact: getShim, checkPropTypes: emptyFunctionWithReset, resetWarningCache: emptyFunction }; ReactPropTypes.PropTypes = ReactPropTypes; return ReactPropTypes; }; },{"./lib/ReactPropTypesSecret":"/Users/cuixueying/Final445/node_modules/prop-types/lib/ReactPropTypesSecret.js"}],"/Users/cuixueying/Final445/node_modules/prop-types/factoryWithTypeCheckers.js":[function(require,module,exports){ /** * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ 'use strict'; var ReactIs = require('react-is'); var assign = require('object-assign'); var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret'); var checkPropTypes = require('./checkPropTypes'); var has = Function.call.bind(Object.prototype.hasOwnProperty); var printWarning = function() {}; if ("development" !== 'production') { printWarning = function(text) { var message = 'Warning: ' + text; if (typeof console !== 'undefined') { console.error(message); } try { // --- Welcome to debugging React --- // This error was thrown as a convenience so that you can use this stack // to find the callsite that caused this warning to fire. throw new Error(message); } catch (x) {} }; } function emptyFunctionThatReturnsNull() { return null; } module.exports = function(isValidElement, throwOnDirectAccess) { /* global Symbol */ var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator; var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec. /** * Returns the iterator method function contained on the iterable object. * * Be sure to invoke the function with the iterable as context: * * var iteratorFn = getIteratorFn(myIterable); * if (iteratorFn) { * var iterator = iteratorFn.call(myIterable); * ... * } * * @param {?object} maybeIterable * @return {?function} */ function getIteratorFn(maybeIterable) { var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]); if (typeof iteratorFn === 'function') { return iteratorFn; } } /** * Collection of methods that allow declaration and validation of props that are * supplied to React components. Example usage: * * var Props = require('ReactPropTypes'); * var MyArticle = React.createClass({ * propTypes: { * // An optional string prop named "description". * description: Props.string, * * // A required enum prop named "category". * category: Props.oneOf(['News','Photos']).isRequired, * * // A prop named "dialog" that requires an instance of Dialog. * dialog: Props.instanceOf(Dialog).isRequired * }, * render: function() { ... } * }); * * A more formal specification of how these methods are used: * * type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...) * decl := ReactPropTypes.{type}(.isRequired)? * * Each and every declaration produces a function with the same signature. This * allows the creation of custom validation functions. For example: * * var MyLink = React.createClass({ * propTypes: { * // An optional string or URI prop named "href". * href: function(props, propName, componentName) { * var propValue = props[propName]; * if (propValue != null && typeof propValue !== 'string' && * !(propValue instanceof URI)) { * return new Error( * 'Expected a string or an URI for ' + propName + ' in ' + * componentName * ); * } * } * }, * render: function() {...} * }); * * @internal */ var ANONYMOUS = '<>'; // Important! // Keep this list in sync with production version in `./factoryWithThrowingShims.js`. var ReactPropTypes = { array: createPrimitiveTypeChecker('array'), bool: createPrimitiveTypeChecker('boolean'), func: createPrimitiveTypeChecker('function'), number: createPrimitiveTypeChecker('number'), object: createPrimitiveTypeChecker('object'), string: createPrimitiveTypeChecker('string'), symbol: createPrimitiveTypeChecker('symbol'), any: createAnyTypeChecker(), arrayOf: createArrayOfTypeChecker, element: createElementTypeChecker(), elementType: createElementTypeTypeChecker(), instanceOf: createInstanceTypeChecker, node: createNodeChecker(), objectOf: createObjectOfTypeChecker, oneOf: createEnumTypeChecker, oneOfType: createUnionTypeChecker, shape: createShapeTypeChecker, exact: createStrictShapeTypeChecker, }; /** * inlined Object.is polyfill to avoid requiring consumers ship their own * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is */ /*eslint-disable no-self-compare*/ function is(x, y) { // SameValue algorithm if (x === y) { // Steps 1-5, 7-10 // Steps 6.b-6.e: +0 != -0 return x !== 0 || 1 / x === 1 / y; } else { // Step 6.a: NaN == NaN return x !== x && y !== y; } } /*eslint-enable no-self-compare*/ /** * We use an Error-like object for backward compatibility as people may call * PropTypes directly and inspect their output. However, we don't use real * Errors anymore. We don't inspect their stack anyway, and creating them * is prohibitively expensive if they are created too often, such as what * happens in oneOfType() for any type before the one that matched. */ function PropTypeError(message) { this.message = message; this.stack = ''; } // Make `instanceof Error` still work for returned errors. PropTypeError.prototype = Error.prototype; function createChainableTypeChecker(validate) { if ("development" !== 'production') { var manualPropTypeCallCache = {}; var manualPropTypeWarningCount = 0; } function checkType(isRequired, props, propName, componentName, location, propFullName, secret) { componentName = componentName || ANONYMOUS; propFullName = propFullName || propName; if (secret !== ReactPropTypesSecret) { if (throwOnDirectAccess) { // New behavior only for users of `prop-types` package var err = new Error( 'Calling PropTypes validators directly is not supported by the `prop-types` package. ' + 'Use `PropTypes.checkPropTypes()` to call them. ' + 'Read more at http://fb.me/use-check-prop-types' ); err.name = 'Invariant Violation'; throw err; } else if ("development" !== 'production' && typeof console !== 'undefined') { // Old behavior for people using React.PropTypes var cacheKey = componentName + ':' + propName; if ( !manualPropTypeCallCache[cacheKey] && // Avoid spamming the console because they are often not actionable except for lib authors manualPropTypeWarningCount < 3 ) { printWarning( 'You are manually calling a React.PropTypes validation ' + 'function for the `' + propFullName + '` prop on `' + componentName + '`. This is deprecated ' + 'and will throw in the standalone `prop-types` package. ' + 'You may be seeing this warning due to a third-party PropTypes ' + 'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.' ); manualPropTypeCallCache[cacheKey] = true; manualPropTypeWarningCount++; } } } if (props[propName] == null) { if (isRequired) { if (props[propName] === null) { return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.')); } return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.')); } return null; } else { return validate(props, propName, componentName, location, propFullName); } } var chainedCheckType = checkType.bind(null, false); chainedCheckType.isRequired = checkType.bind(null, true); return chainedCheckType; } function createPrimitiveTypeChecker(expectedType) { function validate(props, propName, componentName, location, propFullName, secret) { var propValue = props[propName]; var propType = getPropType(propValue); if (propType !== expectedType) { // `propValue` being instance of, say, date/regexp, pass the 'object' // check, but we can offer a more precise error message here rather than // 'of type `object`'. var preciseType = getPreciseType(propValue); return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.')); } return null; } return createChainableTypeChecker(validate); } function createAnyTypeChecker() { return createChainableTypeChecker(emptyFunctionThatReturnsNull); } function createArrayOfTypeChecker(typeChecker) { function validate(props, propName, componentName, location, propFullName) { if (typeof typeChecker !== 'function') { return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.'); } var propValue = props[propName]; if (!Array.isArray(propValue)) { var propType = getPropType(propValue); return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.')); } for (var i = 0; i < propValue.length; i++) { var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret); if (error instanceof Error) { return error; } } return null; } return createChainableTypeChecker(validate); } function createElementTypeChecker() { function validate(props, propName, componentName, location, propFullName) { var propValue = props[propName]; if (!isValidElement(propValue)) { var propType = getPropType(propValue); return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.')); } return null; } return createChainableTypeChecker(validate); } function createElementTypeTypeChecker() { function validate(props, propName, componentName, location, propFullName) { var propValue = props[propName]; if (!ReactIs.isValidElementType(propValue)) { var propType = getPropType(propValue); return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement type.')); } return null; } return createChainableTypeChecker(validate); } function createInstanceTypeChecker(expectedClass) { function validate(props, propName, componentName, location, propFullName) { if (!(props[propName] instanceof expectedClass)) { var expectedClassName = expectedClass.name || ANONYMOUS; var actualClassName = getClassName(props[propName]); return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.')); } return null; } return createChainableTypeChecker(validate); } function createEnumTypeChecker(expectedValues) { if (!Array.isArray(expectedValues)) { if ("development" !== 'production') { if (arguments.length > 1) { printWarning( 'Invalid arguments supplied to oneOf, expected an array, got ' + arguments.length + ' arguments. ' + 'A common mistake is to write oneOf(x, y, z) instead of oneOf([x, y, z]).' ); } else { printWarning('Invalid argument supplied to oneOf, expected an array.'); } } return emptyFunctionThatReturnsNull; } function validate(props, propName, componentName, location, propFullName) { var propValue = props[propName]; for (var i = 0; i < expectedValues.length; i++) { if (is(propValue, expectedValues[i])) { return null; } } var valuesString = JSON.stringify(expectedValues, function replacer(key, value) { var type = getPreciseType(value); if (type === 'symbol') { return String(value); } return value; }); return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + String(propValue) + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.')); } return createChainableTypeChecker(validate); } function createObjectOfTypeChecker(typeChecker) { function validate(props, propName, componentName, location, propFullName) { if (typeof typeChecker !== 'function') { return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.'); } var propValue = props[propName]; var propType = getPropType(propValue); if (propType !== 'object') { return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.')); } for (var key in propValue) { if (has(propValue, key)) { var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret); if (error instanceof Error) { return error; } } } return null; } return createChainableTypeChecker(validate); } function createUnionTypeChecker(arrayOfTypeCheckers) { if (!Array.isArray(arrayOfTypeCheckers)) { "development" !== 'production' ? printWarning('Invalid argument supplied to oneOfType, expected an instance of array.') : void 0; return emptyFunctionThatReturnsNull; } for (var i = 0; i < arrayOfTypeCheckers.length; i++) { var checker = arrayOfTypeCheckers[i]; if (typeof checker !== 'function') { printWarning( 'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' + 'received ' + getPostfixForTypeWarning(checker) + ' at index ' + i + '.' ); return emptyFunctionThatReturnsNull; } } function validate(props, propName, componentName, location, propFullName) { for (var i = 0; i < arrayOfTypeCheckers.length; i++) { var checker = arrayOfTypeCheckers[i]; if (checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret) == null) { return null; } } return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`.')); } return createChainableTypeChecker(validate); } function createNodeChecker() { function validate(props, propName, componentName, location, propFullName) { if (!isNode(props[propName])) { return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.')); } return null; } return createChainableTypeChecker(validate); } function createShapeTypeChecker(shapeTypes) { function validate(props, propName, componentName, location, propFullName) { var propValue = props[propName]; var propType = getPropType(propValue); if (propType !== 'object') { return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.')); } for (var key in shapeTypes) { var checker = shapeTypes[key]; if (!checker) { continue; } var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret); if (error) { return error; } } return null; } return createChainableTypeChecker(validate); } function createStrictShapeTypeChecker(shapeTypes) { function validate(props, propName, componentName, location, propFullName) { var propValue = props[propName]; var propType = getPropType(propValue); if (propType !== 'object') { return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.')); } // We need to check all keys in case some are required but missing from // props. var allKeys = assign({}, props[propName], shapeTypes); for (var key in allKeys) { var checker = shapeTypes[key]; if (!checker) { return new PropTypeError( 'Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' + '\nBad object: ' + JSON.stringify(props[propName], null, ' ') + '\nValid keys: ' + JSON.stringify(Object.keys(shapeTypes), null, ' ') ); } var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret); if (error) { return error; } } return null; } return createChainableTypeChecker(validate); } function isNode(propValue) { switch (typeof propValue) { case 'number': case 'string': case 'undefined': return true; case 'boolean': return !propValue; case 'object': if (Array.isArray(propValue)) { return propValue.every(isNode); } if (propValue === null || isValidElement(propValue)) { return true; } var iteratorFn = getIteratorFn(propValue); if (iteratorFn) { var iterator = iteratorFn.call(propValue); var step; if (iteratorFn !== propValue.entries) { while (!(step = iterator.next()).done) { if (!isNode(step.value)) { return false; } } } else { // Iterator will provide entry [k,v] tuples rather than values. while (!(step = iterator.next()).done) { var entry = step.value; if (entry) { if (!isNode(entry[1])) { return false; } } } } } else { return false; } return true; default: return false; } } function isSymbol(propType, propValue) { // Native Symbol. if (propType === 'symbol') { return true; } // falsy value can't be a Symbol if (!propValue) { return false; } // 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol' if (propValue['@@toStringTag'] === 'Symbol') { return true; } // Fallback for non-spec compliant Symbols which are polyfilled. if (typeof Symbol === 'function' && propValue instanceof Symbol) { return true; } return false; } // Equivalent of `typeof` but with special handling for array and regexp. function getPropType(propValue) { var propType = typeof propValue; if (Array.isArray(propValue)) { return 'array'; } if (propValue instanceof RegExp) { // Old webkits (at least until Android 4.0) return 'function' rather than // 'object' for typeof a RegExp. We'll normalize this here so that /bla/ // passes PropTypes.object. return 'object'; } if (isSymbol(propType, propValue)) { return 'symbol'; } return propType; } // This handles more types than `getPropType`. Only used for error messages. // See `createPrimitiveTypeChecker`. function getPreciseType(propValue) { if (typeof propValue === 'undefined' || propValue === null) { return '' + propValue; } var propType = getPropType(propValue); if (propType === 'object') { if (propValue instanceof Date) { return 'date'; } else if (propValue instanceof RegExp) { return 'regexp'; } } return propType; } // Returns a string that is postfixed to a warning about an invalid type. // For example, "undefined" or "of type array" function getPostfixForTypeWarning(value) { var type = getPreciseType(value); switch (type) { case 'array': case 'object': return 'an ' + type; case 'boolean': case 'date': case 'regexp': return 'a ' + type; default: return type; } } // Returns class name of the object, if any. function getClassName(propValue) { if (!propValue.constructor || !propValue.constructor.name) { return ANONYMOUS; } return propValue.constructor.name; } ReactPropTypes.checkPropTypes = checkPropTypes; ReactPropTypes.resetWarningCache = checkPropTypes.resetWarningCache; ReactPropTypes.PropTypes = ReactPropTypes; return ReactPropTypes; }; },{"./checkPropTypes":"/Users/cuixueying/Final445/node_modules/prop-types/checkPropTypes.js","./lib/ReactPropTypesSecret":"/Users/cuixueying/Final445/node_modules/prop-types/lib/ReactPropTypesSecret.js","object-assign":"/Users/cuixueying/Final445/node_modules/object-assign/index.js","react-is":"/Users/cuixueying/Final445/node_modules/react-is/index.js"}],"/Users/cuixueying/Final445/node_modules/prop-types/index.js":[function(require,module,exports){ /** * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ if ("development" !== 'production') { var ReactIs = require('react-is'); // By explicitly using `prop-types` you are opting into new development behavior. // http://fb.me/prop-types-in-prod var throwOnDirectAccess = true; module.exports = require('./factoryWithTypeCheckers')(ReactIs.isElement, throwOnDirectAccess); } else { // By explicitly using `prop-types` you are opting into new production behavior. // http://fb.me/prop-types-in-prod module.exports = require('./factoryWithThrowingShims')(); } },{"./factoryWithThrowingShims":"/Users/cuixueying/Final445/node_modules/prop-types/factoryWithThrowingShims.js","./factoryWithTypeCheckers":"/Users/cuixueying/Final445/node_modules/prop-types/factoryWithTypeCheckers.js","react-is":"/Users/cuixueying/Final445/node_modules/react-is/index.js"}],"/Users/cuixueying/Final445/node_modules/prop-types/lib/ReactPropTypesSecret.js":[function(require,module,exports){ /** * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ 'use strict'; var ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED'; module.exports = ReactPropTypesSecret; },{}],"/Users/cuixueying/Final445/node_modules/react-dom-factories/index.js":[function(require,module,exports){ (function (global){(function (){ 'use strict'; /** * Copyright (c) 2015-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ (function(f) { if (typeof exports === 'object' && typeof module !== 'undefined') { module.exports = f(require('react')); /* global define */ } else if (typeof define === 'function' && define.amd) { define(['react'], f); } else { var g; if (typeof window !== 'undefined') { g = window; } else if (typeof global !== 'undefined') { g = global; } else if (typeof self !== 'undefined') { g = self; } else { g = this; } if (typeof g.React === 'undefined') { throw Error('React module should be required before ReactDOMFactories'); } g.ReactDOMFactories = f(g.React); } })(function(React) { /** * Create a factory that creates HTML tag elements. */ function createDOMFactory(type) { var factory = React.createElement.bind(null, type); // Expose the type on the factory and the prototype so that it can be // easily accessed on elements. E.g. `.type === Foo`. // This should not be named `constructor` since this may not be the function // that created the element, and it may not even be a constructor. factory.type = type; return factory; }; /** * Creates a mapping from supported HTML tags to `ReactDOMComponent` classes. */ var ReactDOMFactories = { a: createDOMFactory('a'), abbr: createDOMFactory('abbr'), address: createDOMFactory('address'), area: createDOMFactory('area'), article: createDOMFactory('article'), aside: createDOMFactory('aside'), audio: createDOMFactory('audio'), b: createDOMFactory('b'), base: createDOMFactory('base'), bdi: createDOMFactory('bdi'), bdo: createDOMFactory('bdo'), big: createDOMFactory('big'), blockquote: createDOMFactory('blockquote'), body: createDOMFactory('body'), br: createDOMFactory('br'), button: createDOMFactory('button'), canvas: createDOMFactory('canvas'), caption: createDOMFactory('caption'), cite: createDOMFactory('cite'), code: createDOMFactory('code'), col: createDOMFactory('col'), colgroup: createDOMFactory('colgroup'), data: createDOMFactory('data'), datalist: createDOMFactory('datalist'), dd: createDOMFactory('dd'), del: createDOMFactory('del'), details: createDOMFactory('details'), dfn: createDOMFactory('dfn'), dialog: createDOMFactory('dialog'), div: createDOMFactory('div'), dl: createDOMFactory('dl'), dt: createDOMFactory('dt'), em: createDOMFactory('em'), embed: createDOMFactory('embed'), fieldset: createDOMFactory('fieldset'), figcaption: createDOMFactory('figcaption'), figure: createDOMFactory('figure'), footer: createDOMFactory('footer'), form: createDOMFactory('form'), h1: createDOMFactory('h1'), h2: createDOMFactory('h2'), h3: createDOMFactory('h3'), h4: createDOMFactory('h4'), h5: createDOMFactory('h5'), h6: createDOMFactory('h6'), head: createDOMFactory('head'), header: createDOMFactory('header'), hgroup: createDOMFactory('hgroup'), hr: createDOMFactory('hr'), html: createDOMFactory('html'), i: createDOMFactory('i'), iframe: createDOMFactory('iframe'), img: createDOMFactory('img'), input: createDOMFactory('input'), ins: createDOMFactory('ins'), kbd: createDOMFactory('kbd'), keygen: createDOMFactory('keygen'), label: createDOMFactory('label'), legend: createDOMFactory('legend'), li: createDOMFactory('li'), link: createDOMFactory('link'), main: createDOMFactory('main'), map: createDOMFactory('map'), mark: createDOMFactory('mark'), menu: createDOMFactory('menu'), menuitem: createDOMFactory('menuitem'), meta: createDOMFactory('meta'), meter: createDOMFactory('meter'), nav: createDOMFactory('nav'), noscript: createDOMFactory('noscript'), object: createDOMFactory('object'), ol: createDOMFactory('ol'), optgroup: createDOMFactory('optgroup'), option: createDOMFactory('option'), output: createDOMFactory('output'), p: createDOMFactory('p'), param: createDOMFactory('param'), picture: createDOMFactory('picture'), pre: createDOMFactory('pre'), progress: createDOMFactory('progress'), q: createDOMFactory('q'), rp: createDOMFactory('rp'), rt: createDOMFactory('rt'), ruby: createDOMFactory('ruby'), s: createDOMFactory('s'), samp: createDOMFactory('samp'), script: createDOMFactory('script'), section: createDOMFactory('section'), select: createDOMFactory('select'), small: createDOMFactory('small'), source: createDOMFactory('source'), span: createDOMFactory('span'), strong: createDOMFactory('strong'), style: createDOMFactory('style'), sub: createDOMFactory('sub'), summary: createDOMFactory('summary'), sup: createDOMFactory('sup'), table: createDOMFactory('table'), tbody: createDOMFactory('tbody'), td: createDOMFactory('td'), textarea: createDOMFactory('textarea'), tfoot: createDOMFactory('tfoot'), th: createDOMFactory('th'), thead: createDOMFactory('thead'), time: createDOMFactory('time'), title: createDOMFactory('title'), tr: createDOMFactory('tr'), track: createDOMFactory('track'), u: createDOMFactory('u'), ul: createDOMFactory('ul'), var: createDOMFactory('var'), video: createDOMFactory('video'), wbr: createDOMFactory('wbr'), // SVG circle: createDOMFactory('circle'), clipPath: createDOMFactory('clipPath'), defs: createDOMFactory('defs'), ellipse: createDOMFactory('ellipse'), g: createDOMFactory('g'), image: createDOMFactory('image'), line: createDOMFactory('line'), linearGradient: createDOMFactory('linearGradient'), mask: createDOMFactory('mask'), path: createDOMFactory('path'), pattern: createDOMFactory('pattern'), polygon: createDOMFactory('polygon'), polyline: createDOMFactory('polyline'), radialGradient: createDOMFactory('radialGradient'), rect: createDOMFactory('rect'), stop: createDOMFactory('stop'), svg: createDOMFactory('svg'), text: createDOMFactory('text'), tspan: createDOMFactory('tspan'), }; // due to wrapper and conditionals at the top, this will either become // `module.exports ReactDOMFactories` if that is available, // otherwise it will be defined via `define(['react'], ReactDOMFactories)` // if that is available, // otherwise it will be defined as global variable. return ReactDOMFactories; }); }).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"react":"react"}],"/Users/cuixueying/Final445/node_modules/react-dom/cjs/react-dom.development.js":[function(require,module,exports){ /** @license React v16.14.0 * react-dom.development.js * * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ 'use strict'; if ("development" !== "production") { (function() { 'use strict'; var React = require('react'); var _assign = require('object-assign'); var Scheduler = require('scheduler'); var checkPropTypes = require('prop-types/checkPropTypes'); var tracing = require('scheduler/tracing'); var ReactSharedInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED; // Prevent newer renderers from RTE when used with older react package versions. // Current owner and dispatcher used to share the same ref, // but PR #14548 split them out to better support the react-debug-tools package. if (!ReactSharedInternals.hasOwnProperty('ReactCurrentDispatcher')) { ReactSharedInternals.ReactCurrentDispatcher = { current: null }; } if (!ReactSharedInternals.hasOwnProperty('ReactCurrentBatchConfig')) { ReactSharedInternals.ReactCurrentBatchConfig = { suspense: null }; } // by calls to these methods by a Babel plugin. // // In PROD (or in packages without access to React internals), // they are left as they are instead. function warn(format) { { for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { args[_key - 1] = arguments[_key]; } printWarning('warn', format, args); } } function error(format) { { for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { args[_key2 - 1] = arguments[_key2]; } printWarning('error', format, args); } } function printWarning(level, format, args) { // When changing this logic, you might want to also // update consoleWithStackDev.www.js as well. { var hasExistingStack = args.length > 0 && typeof args[args.length - 1] === 'string' && args[args.length - 1].indexOf('\n in') === 0; if (!hasExistingStack) { var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame; var stack = ReactDebugCurrentFrame.getStackAddendum(); if (stack !== '') { format += '%s'; args = args.concat([stack]); } } var argsWithFormat = args.map(function (item) { return '' + item; }); // Careful: RN currently depends on this prefix argsWithFormat.unshift('Warning: ' + format); // We intentionally don't use spread (or .apply) directly because it // breaks IE9: https://github.com/facebook/react/issues/13610 // eslint-disable-next-line react-internal/no-production-logging Function.prototype.apply.call(console[level], console, argsWithFormat); try { // --- Welcome to debugging React --- // This error was thrown as a convenience so that you can use this stack // to find the callsite that caused this warning to fire. var argIndex = 0; var message = 'Warning: ' + format.replace(/%s/g, function () { return args[argIndex++]; }); throw new Error(message); } catch (x) {} } } if (!React) { { throw Error( "ReactDOM was loaded before React. Make sure you load the React package before loading ReactDOM." ); } } var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) { var funcArgs = Array.prototype.slice.call(arguments, 3); try { func.apply(context, funcArgs); } catch (error) { this.onError(error); } }; { // In DEV mode, we swap out invokeGuardedCallback for a special version // that plays more nicely with the browser's DevTools. The idea is to preserve // "Pause on exceptions" behavior. Because React wraps all user-provided // functions in invokeGuardedCallback, and the production version of // invokeGuardedCallback uses a try-catch, all user exceptions are treated // like caught exceptions, and the DevTools won't pause unless the developer // takes the extra step of enabling pause on caught exceptions. This is // unintuitive, though, because even though React has caught the error, from // the developer's perspective, the error is uncaught. // // To preserve the expected "Pause on exceptions" behavior, we don't use a // try-catch in DEV. Instead, we synchronously dispatch a fake event to a fake // DOM node, and call the user-provided callback from inside an event handler // for that fake event. If the callback throws, the error is "captured" using // a global event handler. But because the error happens in a different // event loop context, it does not interrupt the normal program flow. // Effectively, this gives us try-catch behavior without actually using // try-catch. Neat! // Check that the browser supports the APIs we need to implement our special // DEV version of invokeGuardedCallback if (typeof window !== 'undefined' && typeof window.dispatchEvent === 'function' && typeof document !== 'undefined' && typeof document.createEvent === 'function') { var fakeNode = document.createElement('react'); var invokeGuardedCallbackDev = function (name, func, context, a, b, c, d, e, f) { // If document doesn't exist we know for sure we will crash in this method // when we call document.createEvent(). However this can cause confusing // errors: https://github.com/facebookincubator/create-react-app/issues/3482 // So we preemptively throw with a better message instead. if (!(typeof document !== 'undefined')) { { throw Error( "The `document` global was defined when React was initialized, but is not defined anymore. This can happen in a test environment if a component schedules an update from an asynchronous callback, but the test has already finished running. To solve this, you can either unmount the component at the end of your test (and ensure that any asynchronous operations get canceled in `componentWillUnmount`), or you can change the test itself to be asynchronous." ); } } var evt = document.createEvent('Event'); // Keeps track of whether the user-provided callback threw an error. We // set this to true at the beginning, then set it to false right after // calling the function. If the function errors, `didError` will never be // set to false. This strategy works even if the browser is flaky and // fails to call our global error handler, because it doesn't rely on // the error event at all. var didError = true; // Keeps track of the value of window.event so that we can reset it // during the callback to let user code access window.event in the // browsers that support it. var windowEvent = window.event; // Keeps track of the descriptor of window.event to restore it after event // dispatching: https://github.com/facebook/react/issues/13688 var windowEventDescriptor = Object.getOwnPropertyDescriptor(window, 'event'); // Create an event handler for our fake event. We will synchronously // dispatch our fake event using `dispatchEvent`. Inside the handler, we // call the user-provided callback. var funcArgs = Array.prototype.slice.call(arguments, 3); function callCallback() { // We immediately remove the callback from event listeners so that // nested `invokeGuardedCallback` calls do not clash. Otherwise, a // nested call would trigger the fake event handlers of any call higher // in the stack. fakeNode.removeEventListener(evtType, callCallback, false); // We check for window.hasOwnProperty('event') to prevent the // window.event assignment in both IE <= 10 as they throw an error // "Member not found" in strict mode, and in Firefox which does not // support window.event. if (typeof window.event !== 'undefined' && window.hasOwnProperty('event')) { window.event = windowEvent; } func.apply(context, funcArgs); didError = false; } // Create a global error event handler. We use this to capture the value // that was thrown. It's possible that this error handler will fire more // than once; for example, if non-React code also calls `dispatchEvent` // and a handler for that event throws. We should be resilient to most of // those cases. Even if our error event handler fires more than once, the // last error event is always used. If the callback actually does error, // we know that the last error event is the correct one, because it's not // possible for anything else to have happened in between our callback // erroring and the code that follows the `dispatchEvent` call below. If // the callback doesn't error, but the error event was fired, we know to // ignore it because `didError` will be false, as described above. var error; // Use this to track whether the error event is ever called. var didSetError = false; var isCrossOriginError = false; function handleWindowError(event) { error = event.error; didSetError = true; if (error === null && event.colno === 0 && event.lineno === 0) { isCrossOriginError = true; } if (event.defaultPrevented) { // Some other error handler has prevented default. // Browsers silence the error report if this happens. // We'll remember this to later decide whether to log it or not. if (error != null && typeof error === 'object') { try { error._suppressLogging = true; } catch (inner) {// Ignore. } } } } // Create a fake event type. var evtType = "react-" + (name ? name : 'invokeguardedcallback'); // Attach our event handlers window.addEventListener('error', handleWindowError); fakeNode.addEventListener(evtType, callCallback, false); // Synchronously dispatch our fake event. If the user-provided function // errors, it will trigger our global error handler. evt.initEvent(evtType, false, false); fakeNode.dispatchEvent(evt); if (windowEventDescriptor) { Object.defineProperty(window, 'event', windowEventDescriptor); } if (didError) { if (!didSetError) { // The callback errored, but the error event never fired. error = new Error('An error was thrown inside one of your components, but React ' + "doesn't know what it was. This is likely due to browser " + 'flakiness. React does its best to preserve the "Pause on ' + 'exceptions" behavior of the DevTools, which requires some ' + "DEV-mode only tricks. It's possible that these don't work in " + 'your browser. Try triggering the error in production mode, ' + 'or switching to a modern browser. If you suspect that this is ' + 'actually an issue with React, please file an issue.'); } else if (isCrossOriginError) { error = new Error("A cross-origin error was thrown. React doesn't have access to " + 'the actual error object in development. ' + 'See https://fb.me/react-crossorigin-error for more information.'); } this.onError(error); } // Remove our event listeners window.removeEventListener('error', handleWindowError); }; invokeGuardedCallbackImpl = invokeGuardedCallbackDev; } } var invokeGuardedCallbackImpl$1 = invokeGuardedCallbackImpl; var hasError = false; var caughtError = null; // Used by event system to capture/rethrow the first error. var hasRethrowError = false; var rethrowError = null; var reporter = { onError: function (error) { hasError = true; caughtError = error; } }; /** * Call a function while guarding against errors that happens within it. * Returns an error if it throws, otherwise null. * * In production, this is implemented using a try-catch. The reason we don't * use a try-catch directly is so that we can swap out a different * implementation in DEV mode. * * @param {String} name of the guard to use for logging or debugging * @param {Function} func The function to invoke * @param {*} context The context to use when calling the function * @param {...*} args Arguments for function */ function invokeGuardedCallback(name, func, context, a, b, c, d, e, f) { hasError = false; caughtError = null; invokeGuardedCallbackImpl$1.apply(reporter, arguments); } /** * Same as invokeGuardedCallback, but instead of returning an error, it stores * it in a global so it can be rethrown by `rethrowCaughtError` later. * TODO: See if caughtError and rethrowError can be unified. * * @param {String} name of the guard to use for logging or debugging * @param {Function} func The function to invoke * @param {*} context The context to use when calling the function * @param {...*} args Arguments for function */ function invokeGuardedCallbackAndCatchFirstError(name, func, context, a, b, c, d, e, f) { invokeGuardedCallback.apply(this, arguments); if (hasError) { var error = clearCaughtError(); if (!hasRethrowError) { hasRethrowError = true; rethrowError = error; } } } /** * During execution of guarded functions we will capture the first error which * we will rethrow to be handled by the top level error handler. */ function rethrowCaughtError() { if (hasRethrowError) { var error = rethrowError; hasRethrowError = false; rethrowError = null; throw error; } } function hasCaughtError() { return hasError; } function clearCaughtError() { if (hasError) { var error = caughtError; hasError = false; caughtError = null; return error; } else { { { throw Error( "clearCaughtError was called but no error was captured. This error is likely caused by a bug in React. Please file an issue." ); } } } } var getFiberCurrentPropsFromNode = null; var getInstanceFromNode = null; var getNodeFromInstance = null; function setComponentTree(getFiberCurrentPropsFromNodeImpl, getInstanceFromNodeImpl, getNodeFromInstanceImpl) { getFiberCurrentPropsFromNode = getFiberCurrentPropsFromNodeImpl; getInstanceFromNode = getInstanceFromNodeImpl; getNodeFromInstance = getNodeFromInstanceImpl; { if (!getNodeFromInstance || !getInstanceFromNode) { error('EventPluginUtils.setComponentTree(...): Injected ' + 'module is missing getNodeFromInstance or getInstanceFromNode.'); } } } var validateEventDispatches; { validateEventDispatches = function (event) { var dispatchListeners = event._dispatchListeners; var dispatchInstances = event._dispatchInstances; var listenersIsArr = Array.isArray(dispatchListeners); var listenersLen = listenersIsArr ? dispatchListeners.length : dispatchListeners ? 1 : 0; var instancesIsArr = Array.isArray(dispatchInstances); var instancesLen = instancesIsArr ? dispatchInstances.length : dispatchInstances ? 1 : 0; if (instancesIsArr !== listenersIsArr || instancesLen !== listenersLen) { error('EventPluginUtils: Invalid `event`.'); } }; } /** * Dispatch the event to the listener. * @param {SyntheticEvent} event SyntheticEvent to handle * @param {function} listener Application-level callback * @param {*} inst Internal component instance */ function executeDispatch(event, listener, inst) { var type = event.type || 'unknown-event'; event.currentTarget = getNodeFromInstance(inst); invokeGuardedCallbackAndCatchFirstError(type, listener, undefined, event); event.currentTarget = null; } /** * Standard/simple iteration through an event's collected dispatches. */ function executeDispatchesInOrder(event) { var dispatchListeners = event._dispatchListeners; var dispatchInstances = event._dispatchInstances; { validateEventDispatches(event); } if (Array.isArray(dispatchListeners)) { for (var i = 0; i < dispatchListeners.length; i++) { if (event.isPropagationStopped()) { break; } // Listeners and Instances are two parallel arrays that are always in sync. executeDispatch(event, dispatchListeners[i], dispatchInstances[i]); } } else if (dispatchListeners) { executeDispatch(event, dispatchListeners, dispatchInstances); } event._dispatchListeners = null; event._dispatchInstances = null; } var FunctionComponent = 0; var ClassComponent = 1; var IndeterminateComponent = 2; // Before we know whether it is function or class var HostRoot = 3; // Root of a host tree. Could be nested inside another node. var HostPortal = 4; // A subtree. Could be an entry point to a different renderer. var HostComponent = 5; var HostText = 6; var Fragment = 7; var Mode = 8; var ContextConsumer = 9; var ContextProvider = 10; var ForwardRef = 11; var Profiler = 12; var SuspenseComponent = 13; var MemoComponent = 14; var SimpleMemoComponent = 15; var LazyComponent = 16; var IncompleteClassComponent = 17; var DehydratedFragment = 18; var SuspenseListComponent = 19; var FundamentalComponent = 20; var ScopeComponent = 21; var Block = 22; /** * Injectable ordering of event plugins. */ var eventPluginOrder = null; /** * Injectable mapping from names to event plugin modules. */ var namesToPlugins = {}; /** * Recomputes the plugin list using the injected plugins and plugin ordering. * * @private */ function recomputePluginOrdering() { if (!eventPluginOrder) { // Wait until an `eventPluginOrder` is injected. return; } for (var pluginName in namesToPlugins) { var pluginModule = namesToPlugins[pluginName]; var pluginIndex = eventPluginOrder.indexOf(pluginName); if (!(pluginIndex > -1)) { { throw Error( "EventPluginRegistry: Cannot inject event plugins that do not exist in the plugin ordering, `" + pluginName + "`." ); } } if (plugins[pluginIndex]) { continue; } if (!pluginModule.extractEvents) { { throw Error( "EventPluginRegistry: Event plugins must implement an `extractEvents` method, but `" + pluginName + "` does not." ); } } plugins[pluginIndex] = pluginModule; var publishedEvents = pluginModule.eventTypes; for (var eventName in publishedEvents) { if (!publishEventForPlugin(publishedEvents[eventName], pluginModule, eventName)) { { throw Error( "EventPluginRegistry: Failed to publish event `" + eventName + "` for plugin `" + pluginName + "`." ); } } } } } /** * Publishes an event so that it can be dispatched by the supplied plugin. * * @param {object} dispatchConfig Dispatch configuration for the event. * @param {object} PluginModule Plugin publishing the event. * @return {boolean} True if the event was successfully published. * @private */ function publishEventForPlugin(dispatchConfig, pluginModule, eventName) { if (!!eventNameDispatchConfigs.hasOwnProperty(eventName)) { { throw Error( "EventPluginRegistry: More than one plugin attempted to publish the same event name, `" + eventName + "`." ); } } eventNameDispatchConfigs[eventName] = dispatchConfig; var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames; if (phasedRegistrationNames) { for (var phaseName in phasedRegistrationNames) { if (phasedRegistrationNames.hasOwnProperty(phaseName)) { var phasedRegistrationName = phasedRegistrationNames[phaseName]; publishRegistrationName(phasedRegistrationName, pluginModule, eventName); } } return true; } else if (dispatchConfig.registrationName) { publishRegistrationName(dispatchConfig.registrationName, pluginModule, eventName); return true; } return false; } /** * Publishes a registration name that is used to identify dispatched events. * * @param {string} registrationName Registration name to add. * @param {object} PluginModule Plugin publishing the event. * @private */ function publishRegistrationName(registrationName, pluginModule, eventName) { if (!!registrationNameModules[registrationName]) { { throw Error( "EventPluginRegistry: More than one plugin attempted to publish the same registration name, `" + registrationName + "`." ); } } registrationNameModules[registrationName] = pluginModule; registrationNameDependencies[registrationName] = pluginModule.eventTypes[eventName].dependencies; { var lowerCasedName = registrationName.toLowerCase(); possibleRegistrationNames[lowerCasedName] = registrationName; if (registrationName === 'onDoubleClick') { possibleRegistrationNames.ondblclick = registrationName; } } } /** * Registers plugins so that they can extract and dispatch events. */ /** * Ordered list of injected plugins. */ var plugins = []; /** * Mapping from event name to dispatch config */ var eventNameDispatchConfigs = {}; /** * Mapping from registration name to plugin module */ var registrationNameModules = {}; /** * Mapping from registration name to event name */ var registrationNameDependencies = {}; /** * Mapping from lowercase registration names to the properly cased version, * used to warn in the case of missing event handlers. Available * only in true. * @type {Object} */ var possibleRegistrationNames = {} ; // Trust the developer to only use possibleRegistrationNames in true /** * Injects an ordering of plugins (by plugin name). This allows the ordering * to be decoupled from injection of the actual plugins so that ordering is * always deterministic regardless of packaging, on-the-fly injection, etc. * * @param {array} InjectedEventPluginOrder * @internal */ function injectEventPluginOrder(injectedEventPluginOrder) { if (!!eventPluginOrder) { { throw Error( "EventPluginRegistry: Cannot inject event plugin ordering more than once. You are likely trying to load more than one copy of React." ); } } // Clone the ordering so it cannot be dynamically mutated. eventPluginOrder = Array.prototype.slice.call(injectedEventPluginOrder); recomputePluginOrdering(); } /** * Injects plugins to be used by plugin event system. The plugin names must be * in the ordering injected by `injectEventPluginOrder`. * * Plugins can be injected as part of page initialization or on-the-fly. * * @param {object} injectedNamesToPlugins Map from names to plugin modules. * @internal */ function injectEventPluginsByName(injectedNamesToPlugins) { var isOrderingDirty = false; for (var pluginName in injectedNamesToPlugins) { if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) { continue; } var pluginModule = injectedNamesToPlugins[pluginName]; if (!namesToPlugins.hasOwnProperty(pluginName) || namesToPlugins[pluginName] !== pluginModule) { if (!!namesToPlugins[pluginName]) { { throw Error( "EventPluginRegistry: Cannot inject two different event plugins using the same name, `" + pluginName + "`." ); } } namesToPlugins[pluginName] = pluginModule; isOrderingDirty = true; } } if (isOrderingDirty) { recomputePluginOrdering(); } } var canUseDOM = !!(typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined'); var PLUGIN_EVENT_SYSTEM = 1; var IS_REPLAYED = 1 << 5; var IS_FIRST_ANCESTOR = 1 << 6; var restoreImpl = null; var restoreTarget = null; var restoreQueue = null; function restoreStateOfTarget(target) { // We perform this translation at the end of the event loop so that we // always receive the correct fiber here var internalInstance = getInstanceFromNode(target); if (!internalInstance) { // Unmounted return; } if (!(typeof restoreImpl === 'function')) { { throw Error( "setRestoreImplementation() needs to be called to handle a target for controlled events. This error is likely caused by a bug in React. Please file an issue." ); } } var stateNode = internalInstance.stateNode; // Guard against Fiber being unmounted. if (stateNode) { var _props = getFiberCurrentPropsFromNode(stateNode); restoreImpl(internalInstance.stateNode, internalInstance.type, _props); } } function setRestoreImplementation(impl) { restoreImpl = impl; } function enqueueStateRestore(target) { if (restoreTarget) { if (restoreQueue) { restoreQueue.push(target); } else { restoreQueue = [target]; } } else { restoreTarget = target; } } function needsStateRestore() { return restoreTarget !== null || restoreQueue !== null; } function restoreStateIfNeeded() { if (!restoreTarget) { return; } var target = restoreTarget; var queuedTargets = restoreQueue; restoreTarget = null; restoreQueue = null; restoreStateOfTarget(target); if (queuedTargets) { for (var i = 0; i < queuedTargets.length; i++) { restoreStateOfTarget(queuedTargets[i]); } } } var enableProfilerTimer = true; // Trace which interactions trigger each commit. var enableDeprecatedFlareAPI = false; // Experimental Host Component support. var enableFundamentalAPI = false; // Experimental Scope support. var warnAboutStringRefs = false; // the renderer. Such as when we're dispatching events or if third party // libraries need to call batchedUpdates. Eventually, this API will go away when // everything is batched by default. We'll then have a similar API to opt-out of // scheduled work and instead do synchronous work. // Defaults var batchedUpdatesImpl = function (fn, bookkeeping) { return fn(bookkeeping); }; var discreteUpdatesImpl = function (fn, a, b, c, d) { return fn(a, b, c, d); }; var flushDiscreteUpdatesImpl = function () {}; var batchedEventUpdatesImpl = batchedUpdatesImpl; var isInsideEventHandler = false; var isBatchingEventUpdates = false; function finishEventHandler() { // Here we wait until all updates have propagated, which is important // when using controlled components within layers: // https://github.com/facebook/react/issues/1698 // Then we restore state of any controlled component. var controlledComponentsHavePendingUpdates = needsStateRestore(); if (controlledComponentsHavePendingUpdates) { // If a controlled event was fired, we may need to restore the state of // the DOM node back to the controlled value. This is necessary when React // bails out of the update without touching the DOM. flushDiscreteUpdatesImpl(); restoreStateIfNeeded(); } } function batchedUpdates(fn, bookkeeping) { if (isInsideEventHandler) { // If we are currently inside another batch, we need to wait until it // fully completes before restoring state. return fn(bookkeeping); } isInsideEventHandler = true; try { return batchedUpdatesImpl(fn, bookkeeping); } finally { isInsideEventHandler = false; finishEventHandler(); } } function batchedEventUpdates(fn, a, b) { if (isBatchingEventUpdates) { // If we are currently inside another batch, we need to wait until it // fully completes before restoring state. return fn(a, b); } isBatchingEventUpdates = true; try { return batchedEventUpdatesImpl(fn, a, b); } finally { isBatchingEventUpdates = false; finishEventHandler(); } } // This is for the React Flare event system function discreteUpdates(fn, a, b, c, d) { var prevIsInsideEventHandler = isInsideEventHandler; isInsideEventHandler = true; try { return discreteUpdatesImpl(fn, a, b, c, d); } finally { isInsideEventHandler = prevIsInsideEventHandler; if (!isInsideEventHandler) { finishEventHandler(); } } } function flushDiscreteUpdatesIfNeeded(timeStamp) { // event.timeStamp isn't overly reliable due to inconsistencies in // how different browsers have historically provided the time stamp. // Some browsers provide high-resolution time stamps for all events, // some provide low-resolution time stamps for all events. FF < 52 // even mixes both time stamps together. Some browsers even report // negative time stamps or time stamps that are 0 (iOS9) in some cases. // Given we are only comparing two time stamps with equality (!==), // we are safe from the resolution differences. If the time stamp is 0 // we bail-out of preventing the flush, which can affect semantics, // such as if an earlier flush removes or adds event listeners that // are fired in the subsequent flush. However, this is the same // behaviour as we had before this change, so the risks are low. if (!isInsideEventHandler && (!enableDeprecatedFlareAPI )) { flushDiscreteUpdatesImpl(); } } function setBatchingImplementation(_batchedUpdatesImpl, _discreteUpdatesImpl, _flushDiscreteUpdatesImpl, _batchedEventUpdatesImpl) { batchedUpdatesImpl = _batchedUpdatesImpl; discreteUpdatesImpl = _discreteUpdatesImpl; flushDiscreteUpdatesImpl = _flushDiscreteUpdatesImpl; batchedEventUpdatesImpl = _batchedEventUpdatesImpl; } var DiscreteEvent = 0; var UserBlockingEvent = 1; var ContinuousEvent = 2; // A reserved attribute. // It is handled by React separately and shouldn't be written to the DOM. var RESERVED = 0; // A simple string attribute. // Attributes that aren't in the whitelist are presumed to have this type. var STRING = 1; // A string attribute that accepts booleans in React. In HTML, these are called // "enumerated" attributes with "true" and "false" as possible values. // When true, it should be set to a "true" string. // When false, it should be set to a "false" string. var BOOLEANISH_STRING = 2; // A real boolean attribute. // When true, it should be present (set either to an empty string or its name). // When false, it should be omitted. var BOOLEAN = 3; // An attribute that can be used as a flag as well as with a value. // When true, it should be present (set either to an empty string or its name). // When false, it should be omitted. // For any other value, should be present with that value. var OVERLOADED_BOOLEAN = 4; // An attribute that must be numeric or parse as a numeric. // When falsy, it should be removed. var NUMERIC = 5; // An attribute that must be positive numeric or parse as a positive numeric. // When falsy, it should be removed. var POSITIVE_NUMERIC = 6; /* eslint-disable max-len */ var ATTRIBUTE_NAME_START_CHAR = ":A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD"; /* eslint-enable max-len */ var ATTRIBUTE_NAME_CHAR = ATTRIBUTE_NAME_START_CHAR + "\\-.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040"; var ROOT_ATTRIBUTE_NAME = 'data-reactroot'; var VALID_ATTRIBUTE_NAME_REGEX = new RegExp('^[' + ATTRIBUTE_NAME_START_CHAR + '][' + ATTRIBUTE_NAME_CHAR + ']*$'); var hasOwnProperty = Object.prototype.hasOwnProperty; var illegalAttributeNameCache = {}; var validatedAttributeNameCache = {}; function isAttributeNameSafe(attributeName) { if (hasOwnProperty.call(validatedAttributeNameCache, attributeName)) { return true; } if (hasOwnProperty.call(illegalAttributeNameCache, attributeName)) { return false; } if (VALID_ATTRIBUTE_NAME_REGEX.test(attributeName)) { validatedAttributeNameCache[attributeName] = true; return true; } illegalAttributeNameCache[attributeName] = true; { error('Invalid attribute name: `%s`', attributeName); } return false; } function shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag) { if (propertyInfo !== null) { return propertyInfo.type === RESERVED; } if (isCustomComponentTag) { return false; } if (name.length > 2 && (name[0] === 'o' || name[0] === 'O') && (name[1] === 'n' || name[1] === 'N')) { return true; } return false; } function shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag) { if (propertyInfo !== null && propertyInfo.type === RESERVED) { return false; } switch (typeof value) { case 'function': // $FlowIssue symbol is perfectly valid here case 'symbol': // eslint-disable-line return true; case 'boolean': { if (isCustomComponentTag) { return false; } if (propertyInfo !== null) { return !propertyInfo.acceptsBooleans; } else { var prefix = name.toLowerCase().slice(0, 5); return prefix !== 'data-' && prefix !== 'aria-'; } } default: return false; } } function shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag) { if (value === null || typeof value === 'undefined') { return true; } if (shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag)) { return true; } if (isCustomComponentTag) { return false; } if (propertyInfo !== null) { switch (propertyInfo.type) { case BOOLEAN: return !value; case OVERLOADED_BOOLEAN: return value === false; case NUMERIC: return isNaN(value); case POSITIVE_NUMERIC: return isNaN(value) || value < 1; } } return false; } function getPropertyInfo(name) { return properties.hasOwnProperty(name) ? properties[name] : null; } function PropertyInfoRecord(name, type, mustUseProperty, attributeName, attributeNamespace, sanitizeURL) { this.acceptsBooleans = type === BOOLEANISH_STRING || type === BOOLEAN || type === OVERLOADED_BOOLEAN; this.attributeName = attributeName; this.attributeNamespace = attributeNamespace; this.mustUseProperty = mustUseProperty; this.propertyName = name; this.type = type; this.sanitizeURL = sanitizeURL; } // When adding attributes to this list, be sure to also add them to // the `possibleStandardNames` module to ensure casing and incorrect // name warnings. var properties = {}; // These props are reserved by React. They shouldn't be written to the DOM. var reservedProps = ['children', 'dangerouslySetInnerHTML', // TODO: This prevents the assignment of defaultValue to regular // elements (not just inputs). Now that ReactDOMInput assigns to the // defaultValue property -- do we need this? 'defaultValue', 'defaultChecked', 'innerHTML', 'suppressContentEditableWarning', 'suppressHydrationWarning', 'style']; reservedProps.forEach(function (name) { properties[name] = new PropertyInfoRecord(name, RESERVED, false, // mustUseProperty name, // attributeName null, // attributeNamespace false); }); // A few React string attributes have a different name. // This is a mapping from React prop names to the attribute names. [['acceptCharset', 'accept-charset'], ['className', 'class'], ['htmlFor', 'for'], ['httpEquiv', 'http-equiv']].forEach(function (_ref) { var name = _ref[0], attributeName = _ref[1]; properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty attributeName, // attributeName null, // attributeNamespace false); }); // These are "enumerated" HTML attributes that accept "true" and "false". // In React, we let users pass `true` and `false` even though technically // these aren't boolean attributes (they are coerced to strings). ['contentEditable', 'draggable', 'spellCheck', 'value'].forEach(function (name) { properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty name.toLowerCase(), // attributeName null, // attributeNamespace false); }); // These are "enumerated" SVG attributes that accept "true" and "false". // In React, we let users pass `true` and `false` even though technically // these aren't boolean attributes (they are coerced to strings). // Since these are SVG attributes, their attribute names are case-sensitive. ['autoReverse', 'externalResourcesRequired', 'focusable', 'preserveAlpha'].forEach(function (name) { properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty name, // attributeName null, // attributeNamespace false); }); // These are HTML boolean attributes. ['allowFullScreen', 'async', // Note: there is a special case that prevents it from being written to the DOM // on the client side because the browsers are inconsistent. Instead we call focus(). 'autoFocus', 'autoPlay', 'controls', 'default', 'defer', 'disabled', 'disablePictureInPicture', 'formNoValidate', 'hidden', 'loop', 'noModule', 'noValidate', 'open', 'playsInline', 'readOnly', 'required', 'reversed', 'scoped', 'seamless', // Microdata 'itemScope'].forEach(function (name) { properties[name] = new PropertyInfoRecord(name, BOOLEAN, false, // mustUseProperty name.toLowerCase(), // attributeName null, // attributeNamespace false); }); // These are the few React props that we set as DOM properties // rather than attributes. These are all booleans. ['checked', // Note: `option.selected` is not updated if `select.multiple` is // disabled with `removeAttribute`. We have special logic for handling this. 'multiple', 'muted', 'selected' // NOTE: if you add a camelCased prop to this list, // you'll need to set attributeName to name.toLowerCase() // instead in the assignment below. ].forEach(function (name) { properties[name] = new PropertyInfoRecord(name, BOOLEAN, true, // mustUseProperty name, // attributeName null, // attributeNamespace false); }); // These are HTML attributes that are "overloaded booleans": they behave like // booleans, but can also accept a string value. ['capture', 'download' // NOTE: if you add a camelCased prop to this list, // you'll need to set attributeName to name.toLowerCase() // instead in the assignment below. ].forEach(function (name) { properties[name] = new PropertyInfoRecord(name, OVERLOADED_BOOLEAN, false, // mustUseProperty name, // attributeName null, // attributeNamespace false); }); // These are HTML attributes that must be positive numbers. ['cols', 'rows', 'size', 'span' // NOTE: if you add a camelCased prop to this list, // you'll need to set attributeName to name.toLowerCase() // instead in the assignment below. ].forEach(function (name) { properties[name] = new PropertyInfoRecord(name, POSITIVE_NUMERIC, false, // mustUseProperty name, // attributeName null, // attributeNamespace false); }); // These are HTML attributes that must be numbers. ['rowSpan', 'start'].forEach(function (name) { properties[name] = new PropertyInfoRecord(name, NUMERIC, false, // mustUseProperty name.toLowerCase(), // attributeName null, // attributeNamespace false); }); var CAMELIZE = /[\-\:]([a-z])/g; var capitalize = function (token) { return token[1].toUpperCase(); }; // This is a list of all SVG attributes that need special casing, namespacing, // or boolean value assignment. Regular attributes that just accept strings // and have the same names are omitted, just like in the HTML whitelist. // Some of these attributes can be hard to find. This list was created by // scraping the MDN documentation. ['accent-height', 'alignment-baseline', 'arabic-form', 'baseline-shift', 'cap-height', 'clip-path', 'clip-rule', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'dominant-baseline', 'enable-background', 'fill-opacity', 'fill-rule', 'flood-color', 'flood-opacity', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'glyph-name', 'glyph-orientation-horizontal', 'glyph-orientation-vertical', 'horiz-adv-x', 'horiz-origin-x', 'image-rendering', 'letter-spacing', 'lighting-color', 'marker-end', 'marker-mid', 'marker-start', 'overline-position', 'overline-thickness', 'paint-order', 'panose-1', 'pointer-events', 'rendering-intent', 'shape-rendering', 'stop-color', 'stop-opacity', 'strikethrough-position', 'strikethrough-thickness', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'text-anchor', 'text-decoration', 'text-rendering', 'underline-position', 'underline-thickness', 'unicode-bidi', 'unicode-range', 'units-per-em', 'v-alphabetic', 'v-hanging', 'v-ideographic', 'v-mathematical', 'vector-effect', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'word-spacing', 'writing-mode', 'xmlns:xlink', 'x-height' // NOTE: if you add a camelCased prop to this list, // you'll need to set attributeName to name.toLowerCase() // instead in the assignment below. ].forEach(function (attributeName) { var name = attributeName.replace(CAMELIZE, capitalize); properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty attributeName, null, // attributeNamespace false); }); // String SVG attributes with the xlink namespace. ['xlink:actuate', 'xlink:arcrole', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type' // NOTE: if you add a camelCased prop to this list, // you'll need to set attributeName to name.toLowerCase() // instead in the assignment below. ].forEach(function (attributeName) { var name = attributeName.replace(CAMELIZE, capitalize); properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty attributeName, 'http://www.w3.org/1999/xlink', false); }); // String SVG attributes with the xml namespace. ['xml:base', 'xml:lang', 'xml:space' // NOTE: if you add a camelCased prop to this list, // you'll need to set attributeName to name.toLowerCase() // instead in the assignment below. ].forEach(function (attributeName) { var name = attributeName.replace(CAMELIZE, capitalize); properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty attributeName, 'http://www.w3.org/XML/1998/namespace', false); }); // These attribute exists both in HTML and SVG. // The attribute name is case-sensitive in SVG so we can't just use // the React name like we do for attributes that exist only in HTML. ['tabIndex', 'crossOrigin'].forEach(function (attributeName) { properties[attributeName] = new PropertyInfoRecord(attributeName, STRING, false, // mustUseProperty attributeName.toLowerCase(), // attributeName null, // attributeNamespace false); }); // These attributes accept URLs. These must not allow javascript: URLS. // These will also need to accept Trusted Types object in the future. var xlinkHref = 'xlinkHref'; properties[xlinkHref] = new PropertyInfoRecord('xlinkHref', STRING, false, // mustUseProperty 'xlink:href', 'http://www.w3.org/1999/xlink', true); ['src', 'href', 'action', 'formAction'].forEach(function (attributeName) { properties[attributeName] = new PropertyInfoRecord(attributeName, STRING, false, // mustUseProperty attributeName.toLowerCase(), // attributeName null, // attributeNamespace true); }); var ReactDebugCurrentFrame = null; { ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame; } // A javascript: URL can contain leading C0 control or \u0020 SPACE, // and any newline or tab are filtered out as if they're not part of the URL. // https://url.spec.whatwg.org/#url-parsing // Tab or newline are defined as \r\n\t: // https://infra.spec.whatwg.org/#ascii-tab-or-newline // A C0 control is a code point in the range \u0000 NULL to \u001F // INFORMATION SEPARATOR ONE, inclusive: // https://infra.spec.whatwg.org/#c0-control-or-space /* eslint-disable max-len */ var isJavaScriptProtocol = /^[\u0000-\u001F ]*j[\r\n\t]*a[\r\n\t]*v[\r\n\t]*a[\r\n\t]*s[\r\n\t]*c[\r\n\t]*r[\r\n\t]*i[\r\n\t]*p[\r\n\t]*t[\r\n\t]*\:/i; var didWarn = false; function sanitizeURL(url) { { if (!didWarn && isJavaScriptProtocol.test(url)) { didWarn = true; error('A future version of React will block javascript: URLs as a security precaution. ' + 'Use event handlers instead if you can. If you need to generate unsafe HTML try ' + 'using dangerouslySetInnerHTML instead. React was passed %s.', JSON.stringify(url)); } } } /** * Get the value for a property on a node. Only used in DEV for SSR validation. * The "expected" argument is used as a hint of what the expected value is. * Some properties have multiple equivalent values. */ function getValueForProperty(node, name, expected, propertyInfo) { { if (propertyInfo.mustUseProperty) { var propertyName = propertyInfo.propertyName; return node[propertyName]; } else { if ( propertyInfo.sanitizeURL) { // If we haven't fully disabled javascript: URLs, and if // the hydration is successful of a javascript: URL, we // still want to warn on the client. sanitizeURL('' + expected); } var attributeName = propertyInfo.attributeName; var stringValue = null; if (propertyInfo.type === OVERLOADED_BOOLEAN) { if (node.hasAttribute(attributeName)) { var value = node.getAttribute(attributeName); if (value === '') { return true; } if (shouldRemoveAttribute(name, expected, propertyInfo, false)) { return value; } if (value === '' + expected) { return expected; } return value; } } else if (node.hasAttribute(attributeName)) { if (shouldRemoveAttribute(name, expected, propertyInfo, false)) { // We had an attribute but shouldn't have had one, so read it // for the error message. return node.getAttribute(attributeName); } if (propertyInfo.type === BOOLEAN) { // If this was a boolean, it doesn't matter what the value is // the fact that we have it is the same as the expected. return expected; } // Even if this property uses a namespace we use getAttribute // because we assume its namespaced name is the same as our config. // To use getAttributeNS we need the local name which we don't have // in our config atm. stringValue = node.getAttribute(attributeName); } if (shouldRemoveAttribute(name, expected, propertyInfo, false)) { return stringValue === null ? expected : stringValue; } else if (stringValue === '' + expected) { return expected; } else { return stringValue; } } } } /** * Get the value for a attribute on a node. Only used in DEV for SSR validation. * The third argument is used as a hint of what the expected value is. Some * attributes have multiple equivalent values. */ function getValueForAttribute(node, name, expected) { { if (!isAttributeNameSafe(name)) { return; } if (!node.hasAttribute(name)) { return expected === undefined ? undefined : null; } var value = node.getAttribute(name); if (value === '' + expected) { return expected; } return value; } } /** * Sets the value for a property on a node. * * @param {DOMElement} node * @param {string} name * @param {*} value */ function setValueForProperty(node, name, value, isCustomComponentTag) { var propertyInfo = getPropertyInfo(name); if (shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag)) { return; } if (shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag)) { value = null; } // If the prop isn't in the special list, treat it as a simple attribute. if (isCustomComponentTag || propertyInfo === null) { if (isAttributeNameSafe(name)) { var _attributeName = name; if (value === null) { node.removeAttribute(_attributeName); } else { node.setAttribute(_attributeName, '' + value); } } return; } var mustUseProperty = propertyInfo.mustUseProperty; if (mustUseProperty) { var propertyName = propertyInfo.propertyName; if (value === null) { var type = propertyInfo.type; node[propertyName] = type === BOOLEAN ? false : ''; } else { // Contrary to `setAttribute`, object properties are properly // `toString`ed by IE8/9. node[propertyName] = value; } return; } // The rest are treated as attributes with special cases. var attributeName = propertyInfo.attributeName, attributeNamespace = propertyInfo.attributeNamespace; if (value === null) { node.removeAttribute(attributeName); } else { var _type = propertyInfo.type; var attributeValue; if (_type === BOOLEAN || _type === OVERLOADED_BOOLEAN && value === true) { // If attribute type is boolean, we know for sure it won't be an execution sink // and we won't require Trusted Type here. attributeValue = ''; } else { // `setAttribute` with objects becomes only `[object]` in IE8/9, // ('' + value) makes it output the correct toString()-value. { attributeValue = '' + value; } if (propertyInfo.sanitizeURL) { sanitizeURL(attributeValue.toString()); } } if (attributeNamespace) { node.setAttributeNS(attributeNamespace, attributeName, attributeValue); } else { node.setAttribute(attributeName, attributeValue); } } } var BEFORE_SLASH_RE = /^(.*)[\\\/]/; function describeComponentFrame (name, source, ownerName) { var sourceInfo = ''; if (source) { var path = source.fileName; var fileName = path.replace(BEFORE_SLASH_RE, ''); { // In DEV, include code for a common special case: // prefer "folder/index.js" instead of just "index.js". if (/^index\./.test(fileName)) { var match = path.match(BEFORE_SLASH_RE); if (match) { var pathBeforeSlash = match[1]; if (pathBeforeSlash) { var folderName = pathBeforeSlash.replace(BEFORE_SLASH_RE, ''); fileName = folderName + '/' + fileName; } } } } sourceInfo = ' (at ' + fileName + ':' + source.lineNumber + ')'; } else if (ownerName) { sourceInfo = ' (created by ' + ownerName + ')'; } return '\n in ' + (name || 'Unknown') + sourceInfo; } // The Symbol used to tag the ReactElement-like types. If there is no native Symbol // nor polyfill, then a plain number is used for performance. var hasSymbol = typeof Symbol === 'function' && Symbol.for; var REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7; var REACT_PORTAL_TYPE = hasSymbol ? Symbol.for('react.portal') : 0xeaca; var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol.for('react.fragment') : 0xeacb; var REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol.for('react.strict_mode') : 0xeacc; var REACT_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2; var REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd; var REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace; // TODO: We don't use AsyncMode or ConcurrentMode anymore. They were temporary var REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf; var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0; var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1; var REACT_SUSPENSE_LIST_TYPE = hasSymbol ? Symbol.for('react.suspense_list') : 0xead8; var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3; var REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4; var REACT_BLOCK_TYPE = hasSymbol ? Symbol.for('react.block') : 0xead9; var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator; var FAUX_ITERATOR_SYMBOL = '@@iterator'; function getIteratorFn(maybeIterable) { if (maybeIterable === null || typeof maybeIterable !== 'object') { return null; } var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]; if (typeof maybeIterator === 'function') { return maybeIterator; } return null; } var Uninitialized = -1; var Pending = 0; var Resolved = 1; var Rejected = 2; function refineResolvedLazyComponent(lazyComponent) { return lazyComponent._status === Resolved ? lazyComponent._result : null; } function initializeLazyComponentType(lazyComponent) { if (lazyComponent._status === Uninitialized) { lazyComponent._status = Pending; var ctor = lazyComponent._ctor; var thenable = ctor(); lazyComponent._result = thenable; thenable.then(function (moduleObject) { if (lazyComponent._status === Pending) { var defaultExport = moduleObject.default; { if (defaultExport === undefined) { error('lazy: Expected the result of a dynamic import() call. ' + 'Instead received: %s\n\nYour code should look like: \n ' + "const MyComponent = lazy(() => import('./MyComponent'))", moduleObject); } } lazyComponent._status = Resolved; lazyComponent._result = defaultExport; } }, function (error) { if (lazyComponent._status === Pending) { lazyComponent._status = Rejected; lazyComponent._result = error; } }); } } function getWrappedName(outerType, innerType, wrapperName) { var functionName = innerType.displayName || innerType.name || ''; return outerType.displayName || (functionName !== '' ? wrapperName + "(" + functionName + ")" : wrapperName); } function getComponentName(type) { if (type == null) { // Host root, text node or just invalid type. return null; } { if (typeof type.tag === 'number') { error('Received an unexpected object in getComponentName(). ' + 'This is likely a bug in React. Please file an issue.'); } } if (typeof type === 'function') { return type.displayName || type.name || null; } if (typeof type === 'string') { return type; } switch (type) { case REACT_FRAGMENT_TYPE: return 'Fragment'; case REACT_PORTAL_TYPE: return 'Portal'; case REACT_PROFILER_TYPE: return "Profiler"; case REACT_STRICT_MODE_TYPE: return 'StrictMode'; case REACT_SUSPENSE_TYPE: return 'Suspense'; case REACT_SUSPENSE_LIST_TYPE: return 'SuspenseList'; } if (typeof type === 'object') { switch (type.$$typeof) { case REACT_CONTEXT_TYPE: return 'Context.Consumer'; case REACT_PROVIDER_TYPE: return 'Context.Provider'; case REACT_FORWARD_REF_TYPE: return getWrappedName(type, type.render, 'ForwardRef'); case REACT_MEMO_TYPE: return getComponentName(type.type); case REACT_BLOCK_TYPE: return getComponentName(type.render); case REACT_LAZY_TYPE: { var thenable = type; var resolvedThenable = refineResolvedLazyComponent(thenable); if (resolvedThenable) { return getComponentName(resolvedThenable); } break; } } } return null; } var ReactDebugCurrentFrame$1 = ReactSharedInternals.ReactDebugCurrentFrame; function describeFiber(fiber) { switch (fiber.tag) { case HostRoot: case HostPortal: case HostText: case Fragment: case ContextProvider: case ContextConsumer: return ''; default: var owner = fiber._debugOwner; var source = fiber._debugSource; var name = getComponentName(fiber.type); var ownerName = null; if (owner) { ownerName = getComponentName(owner.type); } return describeComponentFrame(name, source, ownerName); } } function getStackByFiberInDevAndProd(workInProgress) { var info = ''; var node = workInProgress; do { info += describeFiber(node); node = node.return; } while (node); return info; } var current = null; var isRendering = false; function getCurrentFiberOwnerNameInDevOrNull() { { if (current === null) { return null; } var owner = current._debugOwner; if (owner !== null && typeof owner !== 'undefined') { return getComponentName(owner.type); } } return null; } function getCurrentFiberStackInDev() { { if (current === null) { return ''; } // Safe because if current fiber exists, we are reconciling, // and it is guaranteed to be the work-in-progress version. return getStackByFiberInDevAndProd(current); } } function resetCurrentFiber() { { ReactDebugCurrentFrame$1.getCurrentStack = null; current = null; isRendering = false; } } function setCurrentFiber(fiber) { { ReactDebugCurrentFrame$1.getCurrentStack = getCurrentFiberStackInDev; current = fiber; isRendering = false; } } function setIsRendering(rendering) { { isRendering = rendering; } } // Flow does not allow string concatenation of most non-string types. To work // around this limitation, we use an opaque type that can only be obtained by // passing the value through getToStringValue first. function toString(value) { return '' + value; } function getToStringValue(value) { switch (typeof value) { case 'boolean': case 'number': case 'object': case 'string': case 'undefined': return value; default: // function, symbol are assigned as empty strings return ''; } } var ReactDebugCurrentFrame$2 = null; var ReactControlledValuePropTypes = { checkPropTypes: null }; { ReactDebugCurrentFrame$2 = ReactSharedInternals.ReactDebugCurrentFrame; var hasReadOnlyValue = { button: true, checkbox: true, image: true, hidden: true, radio: true, reset: true, submit: true }; var propTypes = { value: function (props, propName, componentName) { if (hasReadOnlyValue[props.type] || props.onChange || props.readOnly || props.disabled || props[propName] == null || enableDeprecatedFlareAPI ) { return null; } return new Error('You provided a `value` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultValue`. Otherwise, ' + 'set either `onChange` or `readOnly`.'); }, checked: function (props, propName, componentName) { if (props.onChange || props.readOnly || props.disabled || props[propName] == null || enableDeprecatedFlareAPI ) { return null; } return new Error('You provided a `checked` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultChecked`. Otherwise, ' + 'set either `onChange` or `readOnly`.'); } }; /** * Provide a linked `value` attribute for controlled forms. You should not use * this outside of the ReactDOM controlled form components. */ ReactControlledValuePropTypes.checkPropTypes = function (tagName, props) { checkPropTypes(propTypes, props, 'prop', tagName, ReactDebugCurrentFrame$2.getStackAddendum); }; } function isCheckable(elem) { var type = elem.type; var nodeName = elem.nodeName; return nodeName && nodeName.toLowerCase() === 'input' && (type === 'checkbox' || type === 'radio'); } function getTracker(node) { return node._valueTracker; } function detachTracker(node) { node._valueTracker = null; } function getValueFromNode(node) { var value = ''; if (!node) { return value; } if (isCheckable(node)) { value = node.checked ? 'true' : 'false'; } else { value = node.value; } return value; } function trackValueOnNode(node) { var valueField = isCheckable(node) ? 'checked' : 'value'; var descriptor = Object.getOwnPropertyDescriptor(node.constructor.prototype, valueField); var currentValue = '' + node[valueField]; // if someone has already defined a value or Safari, then bail // and don't track value will cause over reporting of changes, // but it's better then a hard failure // (needed for certain tests that spyOn input values and Safari) if (node.hasOwnProperty(valueField) || typeof descriptor === 'undefined' || typeof descriptor.get !== 'function' || typeof descriptor.set !== 'function') { return; } var get = descriptor.get, set = descriptor.set; Object.defineProperty(node, valueField, { configurable: true, get: function () { return get.call(this); }, set: function (value) { currentValue = '' + value; set.call(this, value); } }); // We could've passed this the first time // but it triggers a bug in IE11 and Edge 14/15. // Calling defineProperty() again should be equivalent. // https://github.com/facebook/react/issues/11768 Object.defineProperty(node, valueField, { enumerable: descriptor.enumerable }); var tracker = { getValue: function () { return currentValue; }, setValue: function (value) { currentValue = '' + value; }, stopTracking: function () { detachTracker(node); delete node[valueField]; } }; return tracker; } function track(node) { if (getTracker(node)) { return; } // TODO: Once it's just Fiber we can move this to node._wrapperState node._valueTracker = trackValueOnNode(node); } function updateValueIfChanged(node) { if (!node) { return false; } var tracker = getTracker(node); // if there is no tracker at this point it's unlikely // that trying again will succeed if (!tracker) { return true; } var lastValue = tracker.getValue(); var nextValue = getValueFromNode(node); if (nextValue !== lastValue) { tracker.setValue(nextValue); return true; } return false; } var didWarnValueDefaultValue = false; var didWarnCheckedDefaultChecked = false; var didWarnControlledToUncontrolled = false; var didWarnUncontrolledToControlled = false; function isControlled(props) { var usesChecked = props.type === 'checkbox' || props.type === 'radio'; return usesChecked ? props.checked != null : props.value != null; } /** * Implements an host component that allows setting these optional * props: `checked`, `value`, `defaultChecked`, and `defaultValue`. * * If `checked` or `value` are not supplied (or null/undefined), user actions * that affect the checked state or value will trigger updates to the element. * * If they are supplied (and not null/undefined), the rendered element will not * trigger updates to the element. Instead, the props must change in order for * the rendered element to be updated. * * The rendered element will be initialized as unchecked (or `defaultChecked`) * with an empty value (or `defaultValue`). * * See http://www.w3.org/TR/2012/WD-html5-20121025/the-input-element.html */ function getHostProps(element, props) { var node = element; var checked = props.checked; var hostProps = _assign({}, props, { defaultChecked: undefined, defaultValue: undefined, value: undefined, checked: checked != null ? checked : node._wrapperState.initialChecked }); return hostProps; } function initWrapperState(element, props) { { ReactControlledValuePropTypes.checkPropTypes('input', props); if (props.checked !== undefined && props.defaultChecked !== undefined && !didWarnCheckedDefaultChecked) { error('%s contains an input of type %s with both checked and defaultChecked props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the checked prop, or the defaultChecked prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerNameInDevOrNull() || 'A component', props.type); didWarnCheckedDefaultChecked = true; } if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValueDefaultValue) { error('%s contains an input of type %s with both value and defaultValue props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the value prop, or the defaultValue prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerNameInDevOrNull() || 'A component', props.type); didWarnValueDefaultValue = true; } } var node = element; var defaultValue = props.defaultValue == null ? '' : props.defaultValue; node._wrapperState = { initialChecked: props.checked != null ? props.checked : props.defaultChecked, initialValue: getToStringValue(props.value != null ? props.value : defaultValue), controlled: isControlled(props) }; } function updateChecked(element, props) { var node = element; var checked = props.checked; if (checked != null) { setValueForProperty(node, 'checked', checked, false); } } function updateWrapper(element, props) { var node = element; { var controlled = isControlled(props); if (!node._wrapperState.controlled && controlled && !didWarnUncontrolledToControlled) { error('A component is changing an uncontrolled input of type %s to be controlled. ' + 'Input elements should not switch from uncontrolled to controlled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components', props.type); didWarnUncontrolledToControlled = true; } if (node._wrapperState.controlled && !controlled && !didWarnControlledToUncontrolled) { error('A component is changing a controlled input of type %s to be uncontrolled. ' + 'Input elements should not switch from controlled to uncontrolled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components', props.type); didWarnControlledToUncontrolled = true; } } updateChecked(element, props); var value = getToStringValue(props.value); var type = props.type; if (value != null) { if (type === 'number') { if (value === 0 && node.value === '' || // We explicitly want to coerce to number here if possible. // eslint-disable-next-line node.value != value) { node.value = toString(value); } } else if (node.value !== toString(value)) { node.value = toString(value); } } else if (type === 'submit' || type === 'reset') { // Submit/reset inputs need the attribute removed completely to avoid // blank-text buttons. node.removeAttribute('value'); return; } { // When syncing the value attribute, the value comes from a cascade of // properties: // 1. The value React property // 2. The defaultValue React property // 3. Otherwise there should be no change if (props.hasOwnProperty('value')) { setDefaultValue(node, props.type, value); } else if (props.hasOwnProperty('defaultValue')) { setDefaultValue(node, props.type, getToStringValue(props.defaultValue)); } } { // When syncing the checked attribute, it only changes when it needs // to be removed, such as transitioning from a checkbox into a text input if (props.checked == null && props.defaultChecked != null) { node.defaultChecked = !!props.defaultChecked; } } } function postMountWrapper(element, props, isHydrating) { var node = element; // Do not assign value if it is already set. This prevents user text input // from being lost during SSR hydration. if (props.hasOwnProperty('value') || props.hasOwnProperty('defaultValue')) { var type = props.type; var isButton = type === 'submit' || type === 'reset'; // Avoid setting value attribute on submit/reset inputs as it overrides the // default value provided by the browser. See: #12872 if (isButton && (props.value === undefined || props.value === null)) { return; } var initialValue = toString(node._wrapperState.initialValue); // Do not assign value if it is already set. This prevents user text input // from being lost during SSR hydration. if (!isHydrating) { { // When syncing the value attribute, the value property should use // the wrapperState._initialValue property. This uses: // // 1. The value React property when present // 2. The defaultValue React property when present // 3. An empty string if (initialValue !== node.value) { node.value = initialValue; } } } { // Otherwise, the value attribute is synchronized to the property, // so we assign defaultValue to the same thing as the value property // assignment step above. node.defaultValue = initialValue; } } // Normally, we'd just do `node.checked = node.checked` upon initial mount, less this bug // this is needed to work around a chrome bug where setting defaultChecked // will sometimes influence the value of checked (even after detachment). // Reference: https://bugs.chromium.org/p/chromium/issues/detail?id=608416 // We need to temporarily unset name to avoid disrupting radio button groups. var name = node.name; if (name !== '') { node.name = ''; } { // When syncing the checked attribute, both the checked property and // attribute are assigned at the same time using defaultChecked. This uses: // // 1. The checked React property when present // 2. The defaultChecked React property when present // 3. Otherwise, false node.defaultChecked = !node.defaultChecked; node.defaultChecked = !!node._wrapperState.initialChecked; } if (name !== '') { node.name = name; } } function restoreControlledState(element, props) { var node = element; updateWrapper(node, props); updateNamedCousins(node, props); } function updateNamedCousins(rootNode, props) { var name = props.name; if (props.type === 'radio' && name != null) { var queryRoot = rootNode; while (queryRoot.parentNode) { queryRoot = queryRoot.parentNode; } // If `rootNode.form` was non-null, then we could try `form.elements`, // but that sometimes behaves strangely in IE8. We could also try using // `form.getElementsByName`, but that will only return direct children // and won't include inputs that use the HTML5 `form=` attribute. Since // the input might not even be in a form. It might not even be in the // document. Let's just use the local `querySelectorAll` to ensure we don't // miss anything. var group = queryRoot.querySelectorAll('input[name=' + JSON.stringify('' + name) + '][type="radio"]'); for (var i = 0; i < group.length; i++) { var otherNode = group[i]; if (otherNode === rootNode || otherNode.form !== rootNode.form) { continue; } // This will throw if radio buttons rendered by different copies of React // and the same name are rendered into the same form (same as #1939). // That's probably okay; we don't support it just as we don't support // mixing React radio buttons with non-React ones. var otherProps = getFiberCurrentPropsFromNode$1(otherNode); if (!otherProps) { { throw Error( "ReactDOMInput: Mixing React and non-React radio inputs with the same `name` is not supported." ); } } // We need update the tracked value on the named cousin since the value // was changed but the input saw no event or value set updateValueIfChanged(otherNode); // If this is a controlled radio button group, forcing the input that // was previously checked to update will cause it to be come re-checked // as appropriate. updateWrapper(otherNode, otherProps); } } } // In Chrome, assigning defaultValue to certain input types triggers input validation. // For number inputs, the display value loses trailing decimal points. For email inputs, // Chrome raises "The specified value is not a valid email address". // // Here we check to see if the defaultValue has actually changed, avoiding these problems // when the user is inputting text // // https://github.com/facebook/react/issues/7253 function setDefaultValue(node, type, value) { if ( // Focused number inputs synchronize on blur. See ChangeEventPlugin.js type !== 'number' || node.ownerDocument.activeElement !== node) { if (value == null) { node.defaultValue = toString(node._wrapperState.initialValue); } else if (node.defaultValue !== toString(value)) { node.defaultValue = toString(value); } } } var didWarnSelectedSetOnOption = false; var didWarnInvalidChild = false; function flattenChildren(children) { var content = ''; // Flatten children. We'll warn if they are invalid // during validateProps() which runs for hydration too. // Note that this would throw on non-element objects. // Elements are stringified (which is normally irrelevant // but matters for ). React.Children.forEach(children, function (child) { if (child == null) { return; } content += child; // Note: we don't warn about invalid children here. // Instead, this is done separately below so that // it happens during the hydration codepath too. }); return content; } /** * Implements an